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Accounts and Long Term Receivable (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2019 | Sep. 30, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Minimum term of accounts and long term receivables | 1 year | 1 year
Accounts receivable | $ 15,114 | $ 11,980
Total long-term receivable | 5,328 |
Long term receivable - without financing component | $ 300 |
Financing receivables |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Minimum term of accounts and long term receivables | 1 year |
Accounts receivable | $ 2,100 |
Long term receivable - financing component | $ 5,000 |
Long term receivables interest rate | 6.90% |
Contract Receivable, Fiscal Year Maturity [Abstract] |  |
2020 | $ 2,502 |
2021 | 2,258 |
2022 | 1,880 |
2023 | 1,423 |
Total payments | 8,063 |
Less: unearned income | 976 |
Total, net of unearned income | $ 7,087 |

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