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Fair Value of Financial Assets and Liabilities (Tables) | 6 Months Ended
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Mar. 31, 2020
Fair Value Disclosures [Abstract] |
Summary of assets and liabilities at fair value |
|  | As of March 31, 2020 |  |  | As of September 30, 2019 |  |  |  |
|  | Carrying Amount |  |  | Fair Value |  |  | Carrying Amount |  |  | Fair Value |  | Fair Value Level |  | Reference
|  | (Amounts in thousands) |  |  |  |
Assets: |  |  |  |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ | 15,242 |  | $ | 15,242 |  | $ | 18,099 |  | $ | 18,099 |  | 1 |  | Consolidated Balance Sheets
Accounts & long-term receivable* |  | 6,838 |  |  | 6,838 |  |  | 7,087 |  |  | 7,087 |  | 3 |  | Note 6
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes payable |  | 2,474 |  |  | 2,474 |  |  | 1,001 |  |  | 1,001 |  | 2 |  | Note 9
*Original maturity over one year

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