STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Total
BALANCE at Sep. 30, 2013	$ 310,250	$ 218,550,408	$ (212,160,568)	$ 6,700,090
BALANCE, Shares at Sep. 30, 2013	31,025,019
Sale of stock	$ 317,555	28,129,691	0	28,447,246
Sale of stock, Shares	31,755,494
Issuance of warrants in connection with sale of common stock		(7,791,448)	0	(7,791,448)
401(k) contributions paid in common stock	$ 1,647	153,787	0	155,434
401(k) contributions paid in common stock, Shares	164,787
Exercise of warrants	$ 26,686	4,253,632	0	4,280,318
Exercise of warrants, Shares	2,668,508
Conversion of warrant liability to equity		1,308,528		1,308,528
Stock issued to nonemployees for service	$ 5,800	621,318	0	627,118
Stock issued to nonemployees for service, Shares	579,968
Stock issued for patents	$ 87	9,912	0	9,999
Stock issued for patents, Shares	8,695
Modification of options issued to consultants		76,991	0	76,991
Issuance of restricted stock	$ 157,000	$ (157,000)	$ 0	$ 0
Issuance of restricted stock, Shares	15,700,000
Equity based compensation - employees, Shares		3,958,637	0	3,958,637
Equity based compensation - non-employees		$ 36,752	$ 0	$ 36,752
Net loss		0	(27,366,265)	(27,366,265)
BALANCE at Sep. 30, 2014	$ 819,025	249,151,208	(239,526,833)	10,443,400
BALANCE, Shares at Sep. 30, 2014	81,902,471
Sale of stock	$ 294,679	20,853,699	0	21,148,378
Sale of stock, Shares	29,467,901
Issuance of warrants in connection with sale of common stock	$ 0	(8,463,957)	0	(8,463,957)
401(k) contributions paid in common stock	$ 2,432	163,214	0	165,646
401(k) contributions paid in common stock, Shares	243,178
Stock issued to nonemployees for service	$ 7,400	526,576	0	533,976
Stock issued to nonemployees for service, Shares	739,968
Modification of options issued to consultants				0
Modification of warrants and extinguishment loss	$ 0	620,457	0	620,457
Forfeiture of unvested restricted stock	$ (1,000)	1,000	0	0
Forfeiture of unvested restricted stock, Shares	(100,000)
Equity based compensation - employees	$ 1,070	5,104,757	0	5,105,827
Equity based compensation - employees, Shares	107,050
Equity based compensation - non-employees	$ 0	35,800	0	35,800
Net loss		0	(34,674,646)	(34,674,646)
BALANCE at Sep. 30, 2015	$ 1,123,606	267,992,754	(274,201,479)	(5,085,119)
BALANCE, Shares at Sep. 30, 2015	112,360,568
Sale of stock	$ 415,232	20,958,464	0	21,373,696
Sale of stock, Shares	41,523,248
Issuance of warrants in connection with sale of common stock		(8,722,073)		(8,722,073)
401(k) contributions paid in common stock	$ 4,085	157,486	0	161,571
401(k) contributions paid in common stock, Shares	408,497
Stock issued to nonemployees for service	$ 12,489	677,824	0	690,313
Stock issued to nonemployees for service, Shares	1,248,831
Modification of options issued to consultants				0
Equity based compensation - employees	$ 4,209	2,008,474	0	2,012,683
Equity based compensation - employees, Shares	420,935
Equity based compensation - non-employees		79,359		79,359
Net loss			(11,466,498)	(11,466,498)
BALANCE at Sep. 30, 2016	$ 1,559,621	$ 283,152,288	$ (285,667,977)	$ (956,068)
BALANCE, Shares at Sep. 30, 2016	155,962,079