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STATEMENTS OF CASH FLOWS (USD $)
 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:      
Net loss $ (9,170,947) $ (15,477,310) $ (25,712,343)
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation and amortization 364,124 533,468 531,316
Issuance of common stock, warrants and options for services 454,855 527,207 214,123
Issuance of convertible notes and preferred stock in legal settlement 0 0 9,000,000
Extension of stock options issued to consultants 0 54,789 30,186
Extension of options issued to employees 0 36,990 105,802
Employee option cost 2,636,905 2,229,326 1,535,329
Common stock contributed to 401 (k) plan 158,856 154,516 150,865
Impairment loss on abandonment of patents 22,628 44,921 9,016
Loss on retired equipment 4,350 9,399 2,828
Gain on derivative instruments (10,750,666) (1,911,683) (4,432,148)
(Increase)/decrease in assets:      
Receivables 84,351 298,723 (457,337)
Deferred rent 544,028 598,714 629,682
Prepaid expenses 529,738 775,823 (1,729,812)
Inventory used for R&D and manufacturing 367,856 186,698 (94,948)
Deposits (400,000) 0 (1,670,917)
Increase/(decrease) in liabilities:      
Accounts payable 1,316,964 (168,463) (788,254)
Accrued expenses 101,995 (99,006) 147,919
Deferred revenue 45 1,500 0
Due to employees 186,446 (2,611) (23,019)
Deferred rent liability (108) 11,986 (3,699)
Deposits held 0 5,000 0
Net cash used in operating activities (13,548,580) (12,190,013) (22,555,411)
CASH FLOWS FROM INVESTING ACTIVITIES:      
Decrease in restricted cash 0 0 21,357
Purchases of equipment (102,033) (54,637) (216,761)
Expenditures for patent costs (30,728) (78,959) (122,706)
Net cash used in investing activities (132,761) (133,596) (318,110)
CASH FLOWS FROM FINANCING ACTIVITIES:      
Proceeds from issuance of common stock and warrants 9,788,769 14,289,518 3,936,284
Proceeds from exercise of warrants and stock options 0 2,664,539 679,588
Payments for repurchase of preferred stock 0 0 (4,050,000)
Payments on convertible debt 0 (4,950,000) 0
Payments on obligations under capital leases (6,858) 0 0
Net cash provided by financing activities 9,781,911 12,004,057 565,872
NET DECREASE IN CASH AND CASH EQUIVALENTS (3,899,430) (319,552) (22,307,649)
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR 3,941,042 4,260,594 26,568,243
CASH AND CASH EQUIVALENTS, END OF YEAR 41,612 3,941,042 4,260,594
ISSUANCE OF WARRANTS:      
Increase in derivative liabilities (4,200,000) (6,706,667) 0
Decrease in additional paid-in capital 4,200,000 6,706,667 0
Total 0 0 0
ISSUANCE OF ADDITIONAL SHARES      
Increase in common stock 0 (8,333) 0
Increase in additional paid-in capital 0 (241,667) 0
Decrease in additional paid-in capital 0 250,000 0
Total 0 0 0
EXERCISE OF DERIVATIVE LIABILITIES:      
Decrease in derivative liabilities 0 122,367 202,830
Increase in additional paid-in capital 0 (122,367) (202,830)
Total 0 0 0
MODIFICATION OF WARRANTS:      
Increase in additional paid-in capital 0 (325,620) (1,068,369)
Decrease in additional paid-in capital 0 325,620 1,068,369
Total 0 0 0
INDUCEMENT WARRANTS:      
Increase in additional paid-in capital 0 (1,593,000) 0
Decrease in additional paid-in capital 0 1,593,000 0
Total 0 0 0
ISSUANCE OF COMMON STOCK FOR PREPAID SERVICES:      
Increase in additional paid-in capital (57,553) (53,333) 0
Increase in prepaid expenses 57,553 53,333 0
Total 0 0 0
PATENT COSTS INCLUDED IN ACCOUNTS PAYABLE      
Increase in patent costs 14,024 22,379 28,531
Increase in accounts payable (14,024) (22,379) (28,531)
Total 0 0 0
NON EQUIPMENT PURCHASES      
Increase in research and office equipment (36,622) 0 (1,291)
Increase in capital lease obligation 36,622 0 1,291
Total 0 0 0
CAPITAL LEASE PAYMENTS INCLUDED IN ACCOUNTS PAYABLE:      
Decrease in capital lease obligation 627 0 0
Increase in accounts payable (627) 0 0
Total 0 0 0
DISMISSAL OF LIABILITY FOR OVERPAYMENT:      
Decrease in accrued expenses 0 0 81,395
Increase in additional paid-in capital 0 0 (81,395)
Total 0 0 0
SUPPLEMENTAL DISCLOSURE OF CASH FLOWS INFORMATION:      
Cash expenditures for interest expense $ 156,225 $ 377,715 $ 195,980