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Investments (Tables) | 12 Months Ended
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Sep. 30, 2018
Investments Debt And Equity Securities [Abstract] |
Schedule of Investments to be Available-for-sale | The Company considers all of its investments to be available-for-sale. Investments at September 30, 2018 consist of the following (in thousands):
|  | Amortized Cost |  |  | Gross Unrealized Gain |  |  | Gross Unrealized (Loss) |  |  | Fair Value |
Cash and Receivables |  | $ | 350 |  |  | $ | — |  |  | $ | — |  |  | $ | 350 |
U.S. Government Sponsored Agencies |  |  | 10,735 |  |  |  | — |  |  |  | (192 | ) |  |  | 10,543 |
Corporate Debt Securities |  |  | 30,427 |  |  |  | — |  |  |  | (928 | ) |  |  | 29,499 |
Foreign Bonds and Notes |  |  | 5,111 |  |  |  | — |  |  |  | (84 | ) |  |  | 5,027 |
Total |  | $ | 46,623 |  |  | $ | — |  |  | $ | (1,204 | ) |  | $ | 45,419 |
Schedule of Maturities of Investments | Maturities of investments were as follows at September 30, 2018 (in thousands):
|  | Net Carrying Amount |
Due within one year |  | $ | 4,505 |
Due after one year through five years |  |  | 21,710 |
Due after five years through ten years |  |  | 19,204 |
Total |  | $ | 45,419 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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