v3.22.1
Consolidated Statements of Operations - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Feb. 28, 2022
Feb. 28, 2021
Income Statement [Abstract]        
Product revenue     $ 266 $ 0
Total revenues     266  
Cost of goods sold     53  
Total cost of goods sold     53  
Gross margin     213  
Operating expenses:        
General and administrative $ 10,140 $ 7,902 33,960 25,328
Research and development 9,128 12,323 31,952 44,061
Amortization and depreciation 129 511 657 1,522
Intangible asset impairment charge   10,049   10,049
Total operating expenses 19,397 30,785 66,569 80,960
Operating loss (19,397) (30,785) (66,356) (80,960)
Interest and other expense:        
Interest on convertible notes (1,187) (1,257) (4,299) (2,870)
Amortization of discount on convertible notes (637) (157) (2,382) (2,739)
Amortization of debt issuance costs (19) (21) (70) (40)
Loss on extinguishment of convertible notes (3,109) (7,625) (11,072) (11,794)
Finance charges (7,025) (1) (8,084) (138)
Inducement interest expense (954) (5,360) (6,186) (12,922)
Legal settlement     (1,941)  
Total interest and other expense (12,931) (14,421) (34,034) (30,503)
Loss before income taxes (32,328) (45,206) (100,390) (111,463)
Income tax benefit 0 0 0 0
Net loss $ (32,328) $ (45,206) $ (100,390) $ (111,463)
Earnings Per Share, Basic $ (0.05) $ (0.08) $ (0.15) $ (0.19)
Earnings Per Share, Diluted $ (0.05) $ (0.08) $ (0.15) $ (0.18)
Weighted Average Number of Shares Outstanding, Basic 695,614 577,854 663,373 595,226
Weighted Average Number of Shares Outstanding, Diluted 695,614 577,854 663,373 595,226

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