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Investments (Tables) | 12 Months Ended
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Sep. 30, 2015
Summary of Investments by Security Type | The following table summarizes investments by security type as of September 30, 2015 and 2014:
|  | September 30, 2015 |
|  | Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Market Value |
Available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities, short-term |  | $ | 23,924,252 |  |  | $ | 3,466 |  |  | $ | (6,390 | ) |  | $ | 23,921,328 |
Corporate debt securities, long-term |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 23,924,252 |  |  | $ | 3,466 |  |  | $ | (6,390 | ) |  | $ | 23,921,328 |
|  | September 30, 2014 |
|  | Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Market Value |
Available-for-sale securities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate debt securities, short-term |  | $ | 16,273,996 |  |  | $ | 1,472 |  |  | $ | (6,298 | ) |  | $ | 16,269,170 |
Corporate debt securities, long-term |  |  | 2,075,002 |  |  |  | — |  |  |  | (2,984 | ) |  |  | 2,072,018 |
Total |  | $ | 18,348,998 |  |  | $ | 1,472 |  |  | $ | (9,282 | ) |  | $ | 18,341,188 |
Summary Of Fair Value Assets And Liabilities |
|  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
September 30, 2015: |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |
Short-term investments: |  |  |  |  |  |  |  |
Corporate debt securities |  |  |  |  |  |  |  |
Financial |  | $ | 10,308,482 |  |  | $ | - |
Industrial |  |  | 9,665,243 |  |  |  | - |
Utility |  | $ | 1,801,803 |  |  | $ | - |
Commercial paper |  |  |  |  |  |  |  |
Industrial |  |  | 1,447,655 |  |  |  | - |
Financial |  |  | 698,145 |  |  |  | - |
Total assets at fair value |  | $ | 23,921,328 |  |  | $ | - |
Liabilities: |  |  |  |  |  |  |  |
Acquisition-related contingent consideration |  |  | - |  |  |  | 46,743 |
Total liabilities at fair value |  | $ | - |  |  | $ | 46,743 |
September 30, 2014: |  |  |  |  |  |  |  |
Assets: |  |  |  |  |  |  |  |
Short-term investments: |  |  |  |  |  |  |  |
Corporate debt securities |  |  |  |  |  |  |  |
Financial |  | $ | 9,334,140 |  |  | $ | - |
Industrial |  |  | 3,980,772 |  |  |  | - |
Utility |  |  | 756,215 |  |  |  | - |
Commercial paper |  |  |  |  |  |  |  |
Financial |  |  | 2,198,043 |  |  |  | - |
Long-term investments: |  |  |  |  |  |  |  |
Corporate debt securities |  |  |  |  |  |  |  |
Financial |  | $ | 1,564,505 |  |  | $ | - |
Utility |  |  | 507,513 |  |  |  | - |
Total assets at fair value |  | $ | 18,341,188 |  |  | $ | - |
Liabilities: |  |  |  |  |  |  |  |
Acquisition-related contingent consideration |  |  | - |  |  |  | - |
Total liabilities at fair value |  | $ | - |  |  | $ | - |
Contingent Consideration |
Summary of Contingent Consideration Measured at Fair Value | The following table includes a summary of the contingent consideration measured at fair value using significant unobservable inputs (Level 3) during the year ended September 30, 2015:
Balance at September 30, 2014 |  | $ | - |
Expenses recorded due to changes in fair value |  |  | 46,743 |
Payments |  |  | - |
Balance at September 30, 2015 |  | $ | 46,743 |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
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