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Condensed Statements Of Cash Flows (USD $)
 6 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Operating Activities    
Net loss $ (2,821,082) $ (230,788)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Stock-based compensation expense 1,152,884 529,584
Accretion and amortization on debt securities 124,440  
Depreciation and amortization 123,117 82,841
Provision for bad debt 6,184  
Non-cash interest expense on convertible debt   384,124
Amortization of capitalized debt issuance costs   53,945
Changes in assets and liabilities:    
Accounts receivable 1,499,537 (1,780,285)
Other assets (284,398) (175,751)
Accounts payable 402,149 287,241
Accrued payroll and related taxes 12,580 149,955
Deferred revenue 673,519 732,744
Other liabilities (46,577) 71,123
Net cash provided by operating activities 842,353 104,733
Investing Activities    
Purchases of investments (8,158,866)  
Sales and maturities of investments 7,435,005  
Purchases of property and equipment (87,047) (90,552)
Net cash used in investing activities (810,908) (90,552)
Financing Activities    
Proceeds from the issuance of common stock   750,000
Proceeds from exercise of stock options 541,917 130,082
Proceeds from line of credit   105,000
Principal payments on capital lease obligations (7,174)  
Net cash provided by financing activities 534,743 985,082
Net Increase in Cash and Cash Equivalents 566,188 999,263
Cash and Cash Equivalents at Beginning of Period 5,655,716 1,305,049
Cash and Cash Equivalents at End of Period 6,221,904 2,304,312
Supplemental Disclosure of Cash Flow Information    
Cash paid for interest 3,122 250
Cash paid for income taxes 800 2,492
Non-Cash Financing and Investing Activities    
Capital lease obligations 95,388  
Unrealized holding gain on available for sale investments 10,049  
Cashless exercise of option and warrants 357 479
Conversion of debt to common stock   $ 1,063,926