STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)	Common Stock	Additional Paid-In Capital	Accumulated Deficit	Total
BALANCE at Sep. 30, 2011	$ 214,735	$ 196,376,400	$ (187,512,311)	$ 9,078,824
BALANCE, Shares at Sep. 30, 2011	21,473,461
Sale of stock	46,167	14,243,351	0	14,289,518
Sale of stock, Shares	4,616,667
Issuance of warrants in connection with sale of common stock	0	(6,706,667)	0	(6,706,667)
401(k) contributions paid in common stock	426	154,090	0	154,516
401(k) contributions paid in common stock, Shares	42,627
Exercise of warrants and stock options	10,191	2,654,348	0	2,664,539
Exercise of warrants and stock options, Shares	1,019,119
Stock issued to nonemployees for service	1,606	556,686	0	558,292
Stock issued to nonemployees for service, Shares	160,618
Exercise of derivative liabilities	0	122,367	0	122,367
Modification of options issued to consultants		54,789	0	54,789
Modification of options issued to employees		36,990	0	36,990
Equity based compensation - employees		2,229,326	0	2,229,326
Equity based compensation - non-employees		22,248	0	22,248
Net loss		0	(15,477,310)	(15,477,310)
BALANCE at Sep. 30, 2012	273,125	209,743,928	(202,989,621)	7,027,432
BALANCE, Shares at Sep. 30, 2012	27,312,492
Sale of stock	35,000	9,753,769	0	9,788,769
Sale of stock, Shares	3,500,000
Issuance of warrants in connection with sale of common stock		(4,200,000)	0	(4,200,000)
401(k) contributions paid in common stock	742	158,114	0	158,856
401(k) contributions paid in common stock, Shares	74,230
Stock issued to nonemployees for service	1,383	359,542	0	360,925
Stock issued to nonemployees for service, Shares	138,297
Modification of options issued to consultants				0
Equity based compensation - employees	0	2,636,905	0	2,636,905
Equity based compensation - non-employees	0	98,150	0	98,150
Net loss	0	0	(9,170,947)	(9,170,947)
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			3,118,387
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		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