v3.19.3
Consolidated Statements of Operations - USD ($)
3 Months Ended
Aug. 31, 2019
Aug. 31, 2018
Operating expenses:    
General and administrative $ 3,045,965 $ 1,996,428
Research and development 9,055,289 11,403,294
Amortization and depreciation 531,043 88,971
Total operating expenses 12,632,297 13,488,693
Operating loss (12,632,297) (13,488,693)
Interest income 0 979
Change in fair value of derivative liabilities 625,333 (747,467)
Interest expense:    
Amortization of discount on convertible notes (1,030,151) (64,580)
Amortization of debt issuance costs (284,061) (9,178)
Inducement interest related to warrant exercise (2,430,514) 0
Finance charges (8,289) 0
Interest on convertible notes payable (404,020) (104,630)
Total interest expense (4,157,035) (178,388)
Loss before income taxes (16,163,999) (14,413,569)
Income tax benefit 0 0
Net loss $ (16,163,999) $ (14,413,569)
Basic and diluted loss per share $ (0.04) $ (0.07)
Basic and diluted weighted average common shares outstanding 364,639,410 218,594,628

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