General form of registration statement for all companies including face-amount certificate companies

Consolidated Statement of Changes in Stockholders Deficit

v3.23.2
Consolidated Statement of Changes in Stockholders Deficit - USD ($)
shares in Thousands, $ in Thousands
 1 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Aug. 31, 2022
May 31, 2021
Nov. 30, 2022
Feb. 28, 2023
Nov. 30, 2022
Aug. 31, 2022
Feb. 28, 2022
Nov. 30, 2021
Aug. 31, 2021
Nov. 30, 2021
Nov. 30, 2020
Feb. 28, 2023
Feb. 28, 2022
Feb. 28, 2021
May 31, 2022
May 31, 2021
Preferred Stock | Series B Convertible Preferred Stock                                
Statement [Line Items]                                
Conversion of preferred stock to common stock (in shares)               (60)                
Preferred Stock | Series C Convertible Preferred Stock                                
Statement [Line Items]                                
Conversion of preferred stock to common stock (in shares)           (1)                    
Preferred Stock | Private Warrant Exchange [Member]                                
Statement [Line Items]                                
Conversion of preferred stock to common stock (in shares)                             (61) (13)
Preferred Stock                                
Statement [Line Items]                                
Beginning balance (shares)       34 34 35 36 96 96 96 109 35 96 109 96 109
Conversion of preferred stock to common stock (in shares)             (1)                  
Ending balance (shares) 34 96 34 34 34 34 35 36 96 36   34 35   35 96
Common Stock | Series B Convertible Preferred Stock                                
Statement [Line Items]                                
Conversion of preferred stock to common stock               $ 1                
Conversion of preferred stock to common stock (in shares)               600                
Common Stock | Series C Convertible Preferred Stock                                
Statement [Line Items]                                
Conversion of preferred stock to common stock           $ 1                    
Conversion of preferred stock to common stock (in shares)           1,136                    
Common Stock | Public Warrant Tender Offering [Member]                                
Statement [Line Items]                                
Stock option exercises                               $ 3
Stock option exercises (in shares)                               2,591
Common Stock | Private Warrant Exchange [Member]                                
Statement [Line Items]                                
Conversion of preferred stock to common stock                             $ 3  
Conversion of preferred stock to common stock (in shares)                             3,200 131
Warrant exercises               $ 7 $ 1           $ (8) $ (37)
Warrant exercises (in shares)               6,593 1,327           7,920 37,054
Common Stock | Private Equity Offering                                
Statement [Line Items]                                
Stock issued for compensation and tendered for income tax                             $ 2  
Stock issued for compensation and tendered for income tax (in shares)                             2,582 323
Stock issued for private offerings           $ 85   $ 25 $ 3              
Stock issued for private offerings (in shares)           85,378   25,178 2,872              
Common Stock                                
Statement [Line Items]                                
Beginning balance       $ 825 $ 813 $ 720 $ 686 $ 644 $ 626 $ 626 $ 519 $ 720 $ 626 $ 519 $ 626 $ 519
Beginning balance (shares)       825,279 812,698 720,028 685,861 644,120 626,123 626,123 519,262 720,028 626,123 519,262 626,123 519,262
Issuance of stock for convertible note repayment       $ 7 $ 2   $ 17 $ 8 $ 12           $ 37 $ 24
Issuance of stock for convertible note repayment (in shares)       7,150 1,822   17,132 8,162 11,816           37,110 24,154
Issuance of legal settlement, warrants                               $ 4
Issuance of legal settlement, warrants (in shares)                               4,000
Stock option exercises                             $ 1  
Stock option exercises (in shares)               210 300           510  
Stock issued for compensation and tendered for income tax                 $ 1              
Stock issued for compensation and tendered for income tax (in shares)                 1,014              
Stock issued for compensation       $ 1   $ 1                    
Stock issued for compensation (in shares)       626 765 879                    
Exercise of warrants, net of offering costs       $ 3 $ 10                      
Exercise of warrants, net of offering costs (in shares)       3,442 9,652                      
Make-whole shares related to private warrant exchange (in shares)         23                      
Dividend paid in common stock upon conversion of Series C convertible preferred stock ($0.50 per share) (in shares)         319                      
Stock issued for private offerings             $ 7               $ 38 $ 1
Stock issued for private offerings (in shares)             6,860               38,035 667
Conversion of preferred stock to common stock             $ 2                  
Conversion of preferred stock to common stock (in shares)             2,200                  
Warrant exercises           $ 1   $ 1 $ 1           $ 2 $ 38
Warrant exercises (in shares)           657 11 963 668           1,642 37,941
Inducement interest expense related to private warrant exchange             $ 1               $ (2)  
Inducement interest expense related to private warrant exchange (in shares)             1,179               2,293  
Deemed dividend paid in common stock due to down round provision, recorded in additional paid-in capital       $ (1)   $ 5                    
Deemed dividend paid in common stock due to down round provision recorded in additional paid-in capital (in share)       534   4,620                    
Dividends accrued on Series C and D convertible preferred stock (in shares)             487 35             613  
Ending balance $ 813 $ 626 $ 825 $ 837 $ 825 $ 813 $ 713 $ 686 $ 644 $ 686   $ 837 $ 713   $ 720 $ 626
Ending balance (shares) 812,698 626,123 825,279 837,031 825,279 812,698 713,730 685,861 644,120 685,861   837,031 713,730   720,028 626,123
Treasury Stock | Private Equity Offering                                
Statement [Line Items]                                
Stock issued for compensation and tendered for income tax (in shares)                               157
Treasury Stock                                
Statement [Line Items]                                
Beginning balance (shares)       443 443 443 443 443 443 443 286 443 443 286 443 286
Ending balance (shares) 443 443 443 443 443 443 443 443 443 443   443 443   443 443
Additional Paid-in Capital | Series C Convertible Preferred Stock                                
Statement [Line Items]                                
Conversion of preferred stock to common stock           $ (1)                    
Additional Paid-in Capital | Public Warrant Tender Offering [Member]                                
Statement [Line Items]                                
Stock option exercises                               $ 1,835
Additional Paid-in Capital | Private Warrant Exchange [Member]                                
Statement [Line Items]                                
Conversion of preferred stock to common stock                             $ (3)  
Warrant exercises               $ 4,608 [1] $ 774 [1]           (5,382) (17,519)
Additional Paid-in Capital | Private Equity Offering                                
Statement [Line Items]                                
Stock issued for compensation and tendered for income tax                             666 828
Stock issued for private offerings           17,459   27,282 [1] 2,869 [1]              
Additional Paid-in Capital                                
Statement [Line Items]                                
Beginning balance       $ 692,558 $ 687,732 671,013 $ 626,558 [1] 573,595 [1] 532,031 [1] $ 532,031 [1] $ 372,301 $ 671,013 $ 532,031 [1] $ 372,301 532,031 [1] 372,301
Issuance of stock for convertible note repayment       1,493 498   8,939 [1] 8,193 [1] 13,832 [1]           68,344 96,914
Loss on induced conversion       2,018 638   12,066 [1] 6,785 [1] 18,530 [1]              
Issuance of legal settlement, warrants                 1,744 [1]           2,863 (4)
Stock option exercises               200 [1] 189 [1]           389  
Stock issued for compensation and tendered for income tax [1]                 (1)              
Stock issued for compensation       181 310 344                    
Exercise of warrants, net of offering costs       679 2,123                      
Dividend paid in common stock upon conversion of Series C convertible preferred stock ($0.50 per share)         159                      
Stock issued for private offerings       18,045     3,545 [1]               46,473 999
Issuance costs related to stock issued for private offerings       (4,699)   (6,289)   (1,418) [1]             (5,316) (495)
Conversion of preferred stock to common stock [1]             (2)                  
Warrant exercises           263   532 [1] 502 [1]           1,034 18,611
Inducement interest expense related to private warrant exchange             953 [1] 4,704 [1] 528 [1]           (6,689) (13,922)
Deemed dividend paid in common stock due to down round provision, recorded in additional paid-in capital       1   (5)                    
Dividends accrued on Series C and D convertible preferred stock       (364) (369) (384) 243 [1] 17 [1]                
Reclassification of warrants from liability to equity classified       4,885   8,601 6,585 [1]               6,585  
Stock-based compensation       257 1,467 996 (438) [1] 2,060 [1] 2,597 [1]           5,571 9,601
Reclassification of prior period preferred stock dividends       155   (4,265)                    
Finance charges related to warrant issuance for surety bond backstop agreement       4,885   8,601 6,585 [1]               6,585  
Ending balance $ 687,732 $ 532,031 [1] $ 692,558 715,207 692,558 687,732 658,449 [1] 626,558 [1] 573,595 [1] 626,558 [1]   715,207 658,449 [1]   671,013 532,031 [1]
Accumulated Deficit                                
Statement [Line Items]                                
Beginning balance       (809,352) (782,857) (766,131) (639,940) [1] (599,432) [1] (553,675) [1] (553,675) [1] (375,301) (766,131) (553,675) [1] (375,301) (553,675) [1] (375,301)
Dividends accrued on Series C and D convertible preferred stock             (397) [1] (431) [1] (420) [1]             (1,909)
Reclassification of prior period preferred stock dividends           4,265                    
Net loss       (13,702) (26,495) (20,991) (41,285) [1] (40,077) [1] (45,337) [1]           (210,820) (176,465)
Ending balance $ (782,857) (553,675) [1] $ (809,352) (823,054) (809,352) (782,857) (681,622) [1] (639,940) [1] (599,432) [1] (639,940) [1]   (823,054) (681,622) [1]   (766,131) (553,675) [1]
Series B Convertible Preferred Stock                                
Statement [Line Items]                                
Conversion of preferred stock to common stock [1]               1                
Public Warrant Tender Offering [Member]                                
Statement [Line Items]                                
Stock option exercises                               $ 1,838
Private Warrant Exchange [Member]                                
Statement [Line Items]                                
Exercise of warrants, net of offering costs (in shares)     9,700                          
Stock issued for private offerings   $ 34,900                            
Stock issued for private offerings (in shares)   36,200                           35,800
Warrant exercises               4,615 [1] 775 [1]           (5,390) $ (17,556)
Private Equity Offering                                
Statement [Line Items]                                
Stock issued for compensation and tendered for income tax                             668 $ 828
Stock issued for private offerings           17,544   27,307 [1] 2,872 [1]              
Stock issued for private offerings (in shares)                               8,900
Beginning balance       (115,969) (94,312) (94,398) (12,696) [1] (25,193) [1] (21,018) [1] (21,018) [1] (2,481) (94,398) (21,018) [1] (2,481) (21,018) [1] $ (2,481)
Issuance of stock for convertible note repayment       1,500 500   8,956 [1] 8,201 [1] 13,844 [1]           68,381 96,938
Loss on induced conversion       2,018 638   12,066 [1] 6,785 [1] 18,530 [1]     2,656 37,381 [1]   37,381 39,131
Issuance of legal settlement, warrants                 1,744 [1]           2,863  
Stock option exercises               200 [1] 189 [1]           $ 390  
Stock option exercises (in shares)                             500  
Stock issued for compensation       182 310 345                    
Exercise of warrants, net of offering costs       682 2,133                      
Dividend paid in common stock upon conversion of Series C convertible preferred stock ($0.50 per share)         159                      
Stock issued for private offerings       $ 18,045     3,552 [1]               $ 46,511 1,000
Stock issued for private offerings (in shares) 4,600     500                     7,900  
Issuance costs related to stock issued for private offerings       $ (4,699)   (6,289)   (1,418) [1]             $ (5,316) (495)
Warrant exercises           264   533 [1] 503 [1]           $ 1,036 $ 18,649
Warrant exercises (in shares)                             1,400 26,700
Inducement interest expense related to private warrant exchange             954 [1] 4,704 [1] 528 [1]           $ (6,691) $ (13,922)
Dividends accrued on Series C and D convertible preferred stock       (364) (369) (384) (154) [1] (414) [1] (420) [1]             (1,909)
Reclassification of warrants from liability to equity classified       4,885   8,601 6,585 [1]               6,585  
Stock-based compensation       257 1,467 996 (438) [1] 2,060 [1] 2,597 [1]           5,571 9,601
Reclassification of prior period preferred stock dividends       155                        
Finance charges related to warrant issuance for surety bond backstop agreement       4,885   8,601 6,585 [1]               6,585  
Net loss       (13,702) (26,495) (20,991) (41,285) [1],[2] (40,077) [1] (45,337) [1] (85,414) $ (68,812) (61,188) (126,699) [1],[2] $ (106,393) (210,820) (176,465)
Ending balance $ (94,312) $ (21,018) [1] $ (115,969) $ (107,010) $ (115,969) $ (94,312) $ (22,460) [1] $ (12,696) [1] $ (25,193) [1] $ (12,696) [1]   $ (107,010) $ (22,460) [1]   $ (94,398) $ (21,018) [1]
[1] See Note 2, Summary of Significant Accounting Policies—Revision and Restatement of Financial Statements.
[2] See Note 2, Summary of Significant Accounting Policies