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STATEMENTS OF OPERATIONS - USD ($)
 3 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Income Statement [Abstract]    
Grant income $ 35,506 $ 126,414
Operating Expenses:    
Research and development 4,196,613 3,471,714
General & administrative 2,638,896 1,689,162
Total operating expenses 6,835,509 5,160,876
Operating loss (6,800,003) (5,034,462)
Other income 18,448 17,911
Gain on derivative instruments 766,509 5,556,306
Other non-operating gain 790,669 1,152,176
Interest expense, net (250,783) (446,029)
Net (loss) income available to common shareholders $ (5,475,160) $ 1,245,902
Net (loss) income per common share    
Basic $ (0.16) $ 0.04
Diluted $ (0.16) $ 0.02
Weighted average common shares outstanding    
Basic 35,084,279 27,985,327
Diluted 35,098,608 29,929,353