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Note Payable and Line of Credit - Narrative - (Details) - USD ($) |  | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | ---
Apr. 17, 2020 | Oct. 31, 2019 | Sep. 30, 2019 | Mar. 31, 2021 | Mar. 31, 2020 | Mar. 31, 2021 | Mar. 31, 2020
Note payable |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  | $ 2,037,000
Gain on extinguishment of debt |  |  |  |  |  | $ 2,196,000 |
Notes payable |  |  |  |  |  |  |
Note payable |  |  |  |  |  |  |
Borrowings |  | $ 2,000,000 | $ 1,000,000 |  |  |  |
Interest rate |  | 5.10% | 5.00% |  |  |  |
Interest Expense, Debt |  |  |  | $ 23,000 | $ 31,000 | 46,000 | $ 63,000
Small Business Administration Loans |  |  |  |  |  |  |
Note payable |  |  |  |  |  |  |
Borrowings | $ 827,000 |  |  |  |  |  |
Term of Loan | 2 years |  |  |  |  |  |
Interest rate | 1.00% |  |  |  |  |  |
Gain on extinguishment of debt |  |  |  |  |  | $ 2,200,000 |
Small Business Administration Loans | Modcomp Inc |  |  |  |  |  |  |
Note payable |  |  |  |  |  |  |
Borrowings | $ 1,353,600 |  |  |  |  |  |

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