| Consolidated Statements of Changes in Shareholders' (Deficit) (USD $)
 | Total | Accrued Interest | Bonus Share | Conversion of convertible debt to common stock | Conversion of accrued interest on convertible debt to common stock | Exercise Price 1 | Exercise Price 2 | Exercise Price 3 | Issuance During Period 1st | Issuance During Period 2nd | Issuance During Period 3rd | Issuance During Period 4th | Common stock issued one | Common stock issued two | Preferred Stock | Preferred Stock
 Series B convertible preferred stock | Common Stock | Common Stock
 Conversion of convertible debt to common stock | Common Stock
 Conversion of accrued interest on convertible debt to common stock | Common Stock
 Exercise Price 1 | Common Stock
 Exercise Price 2 | Common Stock
 Exercise Price 3 | Common Stock
 Issuance During Period 1st | Common Stock
 Issuance During Period 2nd | Common Stock
 Issuance During Period 3rd | Common Stock
 Issuance During Period 4th | Common Stock
 Common stock issued one | Common Stock
 Common stock issued two | Common Stock
 Common stock issued three | Additional Paid-in Capital | Subject to recession | Subject to recession
 Exercise Price 1 | Subject to recession
 Exercise Price 2 | Subject to recession
 Exercise Price 3 | Subject to recession
 Common stock issued four | Subject to recession
 Common stock issued five | Subject to recession
 Common stock issued one | Subject to recession
 Common stock issued two | Subject to recession
 Series B convertible preferred stock | Subject to recession
 Common stock issued three | Treasury Stock | Treasury Stock
 Common stock issued four | Treasury Stock
 Common stock issued five | Treasury Stock
 Common stock issued one | Treasury Stock
 Common stock issued two | Treasury Stock APIC | Treasury Stock APIC
 Common stock issued four | Treasury Stock APIC
 Common stock issued five | Stock for prepaid services | Accumulated Deficit | Accumulated Deficit during Development Stage | Common Stock Payable | Common Stock Payable
 Accrued Interest | Common Stock Payable
 Bonus Share | 
| Beginning balance at Oct. 31, 2003 | $ (145,206) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,425,334 |  |  |  |  |  |  |  |  |  |  |  |  | $ 23,502 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (1,594,042) |  |  |  |  | 
| Beginning balance, shares at Oct. 31, 2003 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,252,640 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Shares issued to former officer as payment for working capital advance, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16,667 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Shares issued to former officer as payment for working capital advance | 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Sale of common stock less offering costs, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Sale of common stock less offering costs | 486,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 486,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Net loss at year ended | (345,914) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (7,870) | (338,044) |  |  |  | 
| Ending balance at May. 31, 2004 | (120) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,916,334 |  |  |  |  |  |  |  |  |  |  |  |  | 23,502 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,601,912) | (338,044) |  |  |  | 
| Ending balance, shares at May. 31, 2004 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,069,307 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| July 2004, capital contribution by an officer | 512 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 512 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common stock warrants granted | 11,928 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,928 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| February 2005, capital contribution by an officer | 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Net loss at year ended | (777,083) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (777,083) |  |  |  | 
| Ending balance at May. 31, 2005 | (759,763) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,916,334 |  |  |  |  |  |  |  |  |  |  |  |  | 40,942 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,601,912) | (1,115,127) |  |  |  | 
| Beginning balance, shares at May. 31, 2005 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,069,307 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| August 2005, common shares issued to extinguish promissory notes payable and related interest ($.75/share), shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 160,110 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 350,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| August 2005, common shares issued to extinguish promissory notes payable and related interest ($.75/share) | 120,082 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 120,082 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest | 437,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 437,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Exercise of Common Stock warrants, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 94,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Exercise of Common Stock warrants, Value | 28,350 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 28,350 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued for prepaid services, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 183,857 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued for prepaid services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 370,750 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (370,750) |  |  |  |  |  | 
| Sale of common stock less offering costs, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 289,890 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Sale of common stock less offering costs | 189,550 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 189,550 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock options granted to consultants | 687,726 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 687,726 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock options issued to extinguish debt | 86,341 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 86,341 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Warrants issued with convertible debt | 274,950 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 274,950 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Amortization of prepaid stock for services | 103,690 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 103,690 |  |  |  |  |  | 
| Beneficial conversion feature of convertible debt | 234,550 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 234,550 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Net loss at year ended | (2,053,944) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (2,053,944) |  |  |  | 
| Ending balance at May. 31, 2006 | (650,968) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,062,566 |  |  |  |  |  |  |  |  |  |  |  |  | 1,324,509 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (267,060) | (1,601,912) | (3,169,071) |  |  |  | 
| Ending balance, shares at May. 31, 2006 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,147,664 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common stock issued for acquisition, Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 119,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common stock issued for acquisition | 934,399 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 934,399 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest | 149,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 149,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common stock payable for prepaid services | 13,479 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 120,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (106,521) |  |  |  |  |  | 
| Common stock issued for services, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 30,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common stock issued for services | 26,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 26,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Preferred stock issued subsidiary, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Preferred stock issued subsidiary | 167,500 |  |  |  |  |  |  |  |  |  |  |  |  |  | 167,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Warrants issued with convertible debt | 92,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 92,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Amortization of prepaid stock for services | 267,060 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 267,060 |  |  |  |  |  | 
| Stock based compensation | 535,984 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 535,984 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Net loss at year ended | (2,610,070) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (2,610,070) |  |  |  | 
| Ending balance at May. 31, 2007 | (1,074,216) |  |  |  |  |  |  |  |  |  |  |  |  |  | 167,500 |  | 4,172,865 |  |  |  |  |  |  |  |  |  |  |  |  | 2,072,993 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (106,521) | (1,601,912) | (5,779,141) |  |  |  | 
| Ending balance, shares at May. 31, 2007 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,000 |  | 11,297,264 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 750,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Rescission of common stock issued for services, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (142,857) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest | 75,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 75,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Rescission of Common stock issued for services | (100,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (100,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Sale of common stock less offering costs, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 642,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Sale of common stock less offering costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 321,000 |  |  |  |  |  |  |  |  |  |  |  |  |  | (321,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Warrants issued with convertible debt | 3,662 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,662 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Amortization of prepaid stock for services | 106,521 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 106,521 |  |  |  |  |  | 
| Beneficial conversion feature of convertible debt | 75,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 75,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock based compensation | 461,602 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 461,602 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Net loss at year ended | (1,193,684) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,193,684) |  |  |  | 
| Ending balance at May. 31, 2008 | (1,646,115) |  |  |  |  |  |  |  |  |  |  |  |  |  | 167,500 |  | 4,468,865 |  |  |  |  |  |  |  |  |  |  |  |  | 2,613,257 | (321,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,601,912) | (6,972,825) |  |  |  | 
| Ending balance, shares at May. 31, 2008 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,000 |  | 12,546,407 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock issued for services, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 388,200 | 150,000 | 15,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock issued for services | 6,468 |  |  |  |  |  |  |  |  |  |  |  | 194,100 | 55,500 |  |  |  |  |  |  |  |  |  |  |  |  | 194,100 | 55,500 | 6,468 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock issued in payment of accounts payable, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 98,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common stock for accounts payable , value | 49,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 49,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Sale of common stock less offering costs, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,023,308 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Sale of common stock less offering costs | 17,654 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,511,654 |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,494,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Capital Contribution by an officer | 8,900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock based compensation | 371,996 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 371,996 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Net loss at year ended | (1,306,004) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,306,004) |  |  |  | 
| Ending balance at May. 31, 2009 | (2,248,501) |  |  |  |  |  |  |  |  |  |  |  |  |  | 167,500 |  | 6,285,587 |  |  |  |  |  |  |  |  |  |  |  |  | 2,994,153 | (1,815,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,601,912) | (8,278,829) |  |  |  | 
| Ending balance, shares at May. 31, 2009 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 100,000 |  | 16,221,315 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Conversion of debt to Common stock ($.45/share), shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 325,458 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Conversion of debt to Common stock | 146,456 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 146,456 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock issued for services, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 81,580 |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (100,000) |  | 2,356,142 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Repurchase of common stock, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,200,000) | (200,000) |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (167,500) |  | 167,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Repurchase of common stock |  |  |  |  |  |  |  |  |  |  |  |  | (336,000) | (100,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (336,000) | (100,000) |  |  |  |  |  |  |  |  |  | 
| Stock issued for services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,842 |  |  |  |  | 95,449 |  |  | (118,291) |  |  |  |  |  | 
| Expiration of rescission liabilities | 903,550 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 903,550 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Sale of common stock less offering costs, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000 |  |  |  |  |  |  |  |  |  |  | 236,400 | 632,000 | 304,580 |  |  |  |  |  |  |  |  |  |  |  |  | 550,000 | 568,420 |  |  |  |  |  |  |  |  |  |  |  | 
| Sale of common stock less offering costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,009,000 |  |  |  |  |  |  |  |  |  |  | 118,200 | 290,500 | 137,061 |  |  |  |  |  | (277,000) | (253,789) | (118,200) | (290,500) | (2,009,000) | (137,061) |  | 154,000 | 159,158 |  |  |  | 123,000 | 94,631 |  |  |  |  |  |  | 
| Amortization of prepaid stock for services | 69,003 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 69,003 |  |  |  |  |  | 
| Beneficial conversion feature of convertible debt | 38,604 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 38,604 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock based compensation | 1,671,118 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,671,118 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Net loss at year ended | (3,359,865) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (3,359,865) |  |  |  | 
| Ending balance at May. 31, 2010 | (3,215,635) |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,009,000 |  | 7,145,304 |  |  |  |  |  |  |  |  |  |  |  |  | 4,703,875 | (3,997,000) |  |  |  |  |  |  |  |  |  | (100,000) |  |  |  |  | 313,080 |  |  | (49,288) | (1,601,912) | (11,638,694) |  |  |  | 
| Ending balance, shares at May. 31, 2010 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000 |  | 20,075,895 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (200,000) |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Rescission expirations and exclusions | 511,987 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 511,987 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock issued for services, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 150,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Series B Convertible Preferred Stock dividends, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (88,200) |  | 882,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock issued for services | 184,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 184,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Series B Convertible Preferred Stock dividends |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,550 |  |  |  |  |  |  |  |  |  |  |  |  | (8,550) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (442,984) |  | 442,984 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Sale of common stock less offering costs, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,365,987 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Sale of common stock less offering costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,365,987 |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,365,987) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Amortization of prepaid stock for services | 49,288 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 49,288 |  |  |  |  |  | 
| Capital Contribution by an officer | 229,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 229,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock based compensation | 952,316 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 952,316 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Net loss at year ended | (3,719,688) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (3,719,688) |  |  |  | 
| Ending balance at May. 31, 2011 | (5,007,732) |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,566,016 |  | 9,147,325 |  |  |  |  |  |  |  |  |  |  |  |  | 5,877,141 | (4,851,000) |  |  |  |  |  |  |  |  |  | (100,000) |  |  |  |  | 313,080 |  |  |  | (1,601,912) | (15,358,382) |  |  |  | 
| Ending balance, shares at May. 31, 2011 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 311,800 |  | 22,490,982 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (200,000) |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Rescission expirations and exclusions | 1,102,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,102,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Series B Convertible Preferred Stock dividends, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 177,485 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (212,900) |  | 2,129,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Series B Convertible Preferred Stock dividends |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 88,743 |  |  |  |  |  |  |  |  |  |  |  |  | (88,743) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,064,500) |  | 1,064,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Series B Convertible Preferred Stock Cash Dividends | (1,500) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,500) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common Stock issued for services to consultants, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 72,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common Stock issued related to legal settlement | 388,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 388,000 |  |  | 
| Common Stock issued for services to consultants, value | 203,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 203,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common Stock issued for services to Directors, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16,675 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common Stock issued for services to Directors, value | 34,560 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 34,560 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Sale of common stock less offering costs, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,997,388 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Exercise of Common Stock options, shares | 527,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 527,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Sale of common stock less offering costs | 2,996,024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,996,024 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Exercise of Common Stock options | 326,900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 326,900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued from Escrow liability per share | $ 1.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1.00 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued from Escrow liability, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,425,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued from Escrow liability, value | 1,425,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,425,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Amortization of deferred offering costs related to rescission liability | (199,097) |  |  |  |  |  |  |  |  |  |  |  |  |  | (49,523) |  | (135,791) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (13,783) |  |  |  |  |  |  |  |  | 
| Common stock warrants granted/issued | 540,009 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 540,009 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Capital Contribution by an officer | 1,336 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,336 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock based compensation | 1,692,290 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,692,290 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Net loss at year ended | (7,474,224) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (7,474,224) |  |  |  | 
| Ending balance at May. 31, 2012 | (3,973,434) |  |  |  |  |  |  |  |  |  |  |  |  |  | 451,993 |  | 15,150,261 |  |  |  |  |  |  |  |  |  |  |  |  | 8,020,533 | (3,749,000) |  |  |  |  |  |  |  |  |  | (100,000) |  |  |  |  | 299,297 |  |  |  | (1,601,912) | (22,832,606) | 388,000 |  |  | 
| Ending balance, shares at May. 31, 2012 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 98,900 |  | 28,836,530 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (200,000) |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Rescission expirations and exclusions | 3,212,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,212,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Conversion of debt to Common stock | 567,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest, value | 567,000 |  |  | 567,000 | 4,203 |  |  |  |  |  |  |  |  |  |  |  |  | 567,000 | 4,203 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Series B Convertible Preferred Stock dividends, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,380 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (3,800) |  | 38,000 | 756,000 | 5,604 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Series B Convertible Preferred Stock dividends |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,190 |  |  |  |  |  |  |  |  |  |  |  |  | (2,190) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common shares issued to extinguish promissory notes payable, convertible debt and related interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (19,000) |  | 19,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common Stock issued for services to consultants, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Exercise of Common Stock warrants, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 750,000 | 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common Stock issued related to legal settlement (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common Stock issued related to legal settlement |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 388,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 388,000 |  |  | 
| Common Stock issued for services to consultants, value |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 160,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (160,800) |  |  |  |  |  | 
| Exercise of Common Stock warrants, Value |  |  |  |  |  | 187,500 | 5,000 |  |  |  |  |  |  |  |  |  |  |  |  | 187,500 | 5,000 |  |  |  |  |  |  |  |  |  |  | 187,500 | 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common Stock issued for services to Directors, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,810 | 16,230 | 12,500 | 14,980 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Common Stock issued for services to Directors, value |  |  |  |  |  |  |  |  | 12,496 | 12,497 | 12,500 | 11,984 |  |  |  |  |  |  |  |  |  |  | 12,496 | 12,497 | 12,500 | 11,984 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock issued in payment of accounts payable, shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 66,116 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common stock for accounts payable , value | 80,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 80,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Exercise of Common Stock options, shares | 780,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Issuance of common stock |  | 10,278 | 107,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,278 | 107,500 | 
| Exercise of Common Stock options |  |  |  |  |  |  |  | 8,500 |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,500 |  |  |  |  |  |  |  |  |  |  |  | 8,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Amortization of deferred offering costs related to rescission liability | (580,392) |  |  |  |  |  |  |  |  |  |  |  |  |  | (158,902) |  | (377,258) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (44,232) |  |  |  |  |  |  |  |  | 
| Amortization of prepaid stock for services | 160,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 160,800 |  |  |  |  |  | 
| Beneficial conversion feature of convertible debt | 6,243,502 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,243,502 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Stock based compensation | 3,261,951 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,261,951 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 
| Net loss at year ended | (9,568,301) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (9,568,301) |  |  |  | 
| Ending balance at May. 31, 2013 | $ (223,916) |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 274,091 |  | $ 16,244,673 |  |  |  |  |  |  |  |  |  |  |  |  | $ 17,523,796 | $ (536,500) |  |  |  |  |  |  |  |  |  | $ (100,000) |  |  |  |  | $ 255,065 |  |  |  | $ (1,601,912) | $ (32,400,907) | $ 117,778 |  |  | 
| Ending balance, shares at May. 31, 2013 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 95,100 |  | 30,998,150 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (200,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |