16. QUARTERLY INFORMATION (Details) - USD ($)	3 Months Ended								12 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Quarterly Information Details
Grant income and other	$ 101,329	$ 129,975	$ 32,775	$ 20,976	$ (66,304)	$ 389,223	$ 197,620	$ 136,838	$ 285,055	$ 657,377	$ 264,033
Operating expenses	6,738,472	6,036,123	5,829,779	5,327,509	7,797,084	8,114,099	7,480,363	9,655,979	23,931,883	33,047,525	25,931,747
Non-operating (expense) income, net	(466,699)	(464,202)	(464,796)	(483,693)	(482,213)	(497,040)	(494,156)	(490,812)	(1,879,390)	(1,964,221)
Gain (loss) on derivatives	5,975,752	2,508,744	(2,593,730)	8,122,960	(1,526,338)	4,428,780	(4,782,796)	2,162,970	14,013,726	282,616	248,767
Loss on debt extinguishment					0	(620,457)	0	0	0	(620,457)	0
Net loss available to common shareholders	$ (1,128,090)	$ (3,861,606)	$ (8,855,530)	$ 2,332,734	$ (9,871,939)	$ (4,413,593)	$ (12,559,695)	$ (7,846,983)	$ (11,512,492)	$ (34,692,210)	$ (28,470,126)
Net income (loss) per share-basic and diluted	$ (0.21)	$ (0.78)	$ (1.87)	$ 0.53					$ (2.37)	$ (10.51)
Net loss per share-basic					$ (2.54)	$ (1.32)	$ (4.14)	$ (2.68)	(2.37)	(10.51)	$ (12.10)
Net loss per share-diluted					$ (2.54)	$ (1.62)	$ (4.14)	$ (3.42)	$ (2.37)	$ (10.51)	$ (12.21)
Weighted average shares-basic	5,371,635	4,965,300	4,736,809	4,390,740	3,881,600	3,351,852	3,033,915	2,930,431	4,866,204	3,300,761
Weighted average shares-diluted	5,371,635	4,965,300	4,736,809	4,465,591	3,881,600	3,405,364	3,033,915	2,930,431	4,866,204	3,300,761