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Statements of Cash Flows (USD $)
 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
OPERATING ACTIVITIES    
Net loss $ (7,839,996) $ (125,057)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:    
Stock-based compensation expense 2,599,858 1,271,238
Accretion and amortization on debt securities 261,398  
Depreciation and amortization 231,981 179,291
Provision for bad debt (3,571) 15,340
Non-cash interest expense on convertible debt   384,124
Amortization of capitalized debt issuance costs   53,945
Changes in assets and liabilities:    
Accounts receivable 1,862,555 (1,750,036)
Other assets (180,367) (181,873)
Accounts payable 353,043 130,393
Accrued payroll and related taxes 230,956 299,478
Deferred revenue 758,855 41,858
Other accrued liabilities (53,476) (2,533)
Net cash (used in) provided by operating activities (1,778,764) 316,168
INVESTING ACTIVITIES    
Purchases of investments (12,187,523) (10,614,723)
Sales and maturities of investments 14,635,005  
Purchases of property and equipment (339,715) (204,358)
Net cash provided by (used in) investing activities 2,107,767 (10,819,081)
FINANCING ACTIVITIES    
Proceeds from the issuance of common stock   14,595,366
Proceeds from exercise of warrants and stock options 732,287 258,214
Principal payments on capital lease obligations (14,916)  
Net cash provided by financing activities 717,371 14,853,580
NET INCREASE IN CASH AND CASH EQUIVALENTS 1,046,374 4,350,667
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD 5,655,716 1,305,049
CASH AND CASH EQUIVALENTS AT END OF PERIOD 6,702,090 5,655,716
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION    
Cash paid for interest 10,397 5,333
Cash paid for income taxes 800 2,492
NON-CASH FINANCING AND INVESTING ACTIVITIES    
Capital lease obligations 95,388  
Unrealized gain (loss) on investments 9,239 (9,855)
Cashless exercise of option and warrants 410 859
Conversion of debt to common stock   $ 1,063,926