Quarterly report pursuant to Section 13 or 15(d)

Summary of Fair Value Derivative Liability and Linked Common Shares (Detail)

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Summary of Fair Value Derivative Liability and Linked Common Shares (Detail) - USD ($)
May. 31, 2015
Feb. 06, 2015
Sep. 26, 2014
Derivative [Line Items]      
Total derivative liability $ 2,008,907 [1] $ 403,266 $ 767,038
Shares indexed to derivative liability 5,185,185 1,500,000 2,000,000
[1] The Company did not have any assets or liabilities measured at fair value using Level 1 or 2 of the fair value hierarchy as of February 29, 2016 and May 31, 2015