STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Income Statement [Abstract]
Grant income	$ 108,938	$ 86,459	$ 386,121	$ 297,045
Operating Expenses:
Research and development	2,298,555	2,425,562	7,956,203	7,713,873
General & administrative	3,020,482	1,748,971	6,981,079	5,823,694
Total operating expenses	5,319,037	4,174,533	14,937,282	13,537,567
Operating loss	(5,210,099)	(4,088,074)	(14,551,161)	(13,240,522)
Other income	18,448	17,711	54,575	52,984
(Loss) gain on derivative instruments	(7,905,519)	(8,618)	(3,316,384)	187,967
Other non-operating gain (loss)	1,455,844	(149,359)	1,877,197	(171,468)
Interest expense, net	(443,442)	(1,786,228)	(1,350,774)	(3,739,494)
Net loss available to common shareholders	$ (12,084,768)	$ (6,014,568)	$ (17,286,547)	$ (16,910,533)
Net loss per common share
Basic and Diluted	$ (0.37)	$ (0.36)	$ (0.58)	$ (1.17)
Weighted average common shares outstanding
Basic and Diluted	33,051,888	16,651,297	30,046,241	14,486,351