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Nature of Operations and Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Jun. 30, 2013
Accounting Policies [Abstract] |
Potentially Dilutive Common Shares | For the three and nine months ended June 30, 2013 and 2012, the following potentially dilutive common shares were excluded from the earnings per share calculation, as they would have been antidilutive:
|  | Three Months Ended June 30, |  |  | Nine Months Ended June 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Stock options |  |  | 2,670,743 |  |  |  | 3,600,865 |  |  |  | 2,670,743 |  |  |  | 3,600,865 |
Restricted stock units |  |  | 671,254 |  |  |  | 464,168 |  |  |  | 671,254 |  |  |  | 464,168 |
Warrants |  |  | 6,667 |  |  |  | 6,667 |  |  |  | 6,667 |  |  |  | 6,667 |
Total potentially dilutive common shares outstanding |  |  | 3,348,664 |  |  |  | 4,071,700 |  |  |  | 3,348,664 |  |  |  | 4,071,700
Computation of Basic and Diluted Loss Per Share | The computation of basic and diluted loss per share is as follows:
|  | Three Months Ended June 30, |  |  | Nine Months Ended June 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Net loss |  | $ | (2,052,059 | ) |  | $ | (2,008,887 | ) |  | $ | (5,804,976 | ) |  | $ | (4,829,969 | )
Weighted average common shares outstanding - basic |  |  | 27,109,787 |  |  |  | 25,613,698 |  |  |  | 26,534,357 |  |  |  | 24,980,253 |
Effect of dilutive common share equivalents |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Weighted average common shares and share equivalents outstanding - diluted |  |  | 27,109,787 |  |  |  | 25,613,698 |  |  |  | 26,534,357 |  |  |  | 24,980,253 |
Net loss per share - basic |  | $ | (0.08 | ) |  | $ | (0.08 | ) |  | $ | (0.22 | ) |  | $ | (0.19 | )
Net loss per share - diluted |  | $ | (0.08 | ) |  | $ | (0.08 | ) |  | $ | (0.22 | ) |  | $ | (0.19 | )
Components of Comprehensive Loss | The following table summarizes the components of comprehensive loss:
|  | Three Months Ended June 30, |  |  | Nine Months Ended June 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Net loss |  | $ | (2,052,059 | ) |  | $ | (2,008,887 | ) |  | $ | (5,804,976 | ) |  | $ | (4,829,969 | )
Other comprehensive loss: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in unrealized gains (losses) on marketable securities |  |  | (5,481 | ) |  |  | (1,072 | ) |  |  | (2,945 | ) |  |  | 8,977 |
Total comprehensive loss |  | $ | (2,057,540 | ) |  | $ | (2,009,959 | ) |  | $ | (5,807,921 | ) |  | $ | (4,820,992 | )

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- Definition Potentially dilutive common shares. + References No definition available. + Details
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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e526-108580 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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