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v3.21.2

Debt - Narrative (Details) |  |  |  | 9 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Feb. 19, 2021 USD ($) | Feb. 18, 2021 | Apr. 10, 2020 USD ($) | Jun. 30, 2021 USD ($) lender invoice | Sep. 30, 2020 USD ($) | Dec. 17, 2018 USD ($) | Aug. 08, 2018 USD ($)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Number of customer invoices factored | invoice |  |  |  | 1 |  |  |
Foreign subsidiary borrowings |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Receivables pledged as collateral |  |  |  | $ 1,547,000 | $ 1,859,000 |  |
Remaining debt balance |  |  |  | $ 7,101,000 | $ 5,759,000 |  |
Foreign subsidiary borrowings | Euribor | Minimum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Euribor variable interest rates |  |  |  | 1.00% |  |  |
Foreign subsidiary borrowings | Euribor | Maximum |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Euribor variable interest rates |  |  |  | 4.20% |  |  |
First Loan |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Debt instrument, number of lenders | lender |  |  |  | 2 |  |  |
Face amount |  |  |  | $ 717,000 |  |  |
Debt instrument, term |  |  |  | 6 years 6 months |  |  |
Debt instrument, decrease, forgiveness |  |  |  | $ 287,000 |  |  |
Second Loan |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Face amount |  |  |  | $ 303,000 |  |  |
Debt instrument, term |  |  |  | 5 years |  |  |
Revolving credit agreement |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Percentage of stock pledged on credit agreement | 66.67% |  |  |  |  |  |
Revolving credit agreement | Credit Agreement |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Fixed charge coverage ratio |  |  |  | 1.1 |  |  |
Percent availability under revolving commitment |  | 12.50% |  | 10.00% | 12.50% |  |
Debt instrument, covenant combined commitment percentage |  |  |  | 10.00% |  |  |
Debt instrument, covenant combined borrowing base, percentage |  |  |  | 10.00% |  |  |
Debt instrument, covenant combined borrowing base, amount |  |  |  | $ 2,000,000 |  |  |
Receivables pledged as collateral |  |  |  | 28,628,000 | $ 26,964,000 |  |
Revolving credit agreement | Credit Agreement | Revolving credit agreement |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Revolving credit facility, maximum borrowing capacity | $ 28,000,000 |  |  | 35,000,000 | 35,000,000 |  |
Accordion feature, increase limit | 10,000,000 |  |  |  |  |  |
Remaining borrowing capacity |  |  |  | $ 17,543,000 | $ 13,284,000 |  |
Weighted average interest rate, revolving credit facility |  |  |  | 1.84% |  |  |
Commitment fee percentage |  |  |  | 0.25% | 0.25% |  |
Debt issuance costs incurred |  |  |  | $ 45,000 |  |  |
Remaining unamortized amount |  |  |  | 86,000 |  |  |
Revolving line of credit, accumulated amortization of debt issuance costs |  |  |  | $ 10,000 | $ 205,000 |  |
Revolving credit agreement | Credit Agreement | Revolving credit agreement | LIBOR |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Basis spread on LIBOR |  |  |  | 1.75% |  |  |
Revolving credit agreement | 2018 Credit Agreement | Revolving credit agreement |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Revolving credit facility, maximum borrowing capacity |  |  |  |  |  |  | $ 30,000,000
Weighted average interest rate, revolving credit facility |  |  |  |  | 1.70% |  |
Revolving credit agreement | 2018 Credit Agreement | Revolving credit agreement | LIBOR |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Basis spread on LIBOR |  |  |  |  | 1.50% |  |
Revolving credit agreement | Fifth Amendment to Credit Agreement and First Amendment to Export Credit Agreement | Revolving credit agreement |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Revolving credit facility, maximum borrowing capacity | 35,000,000 |  |  |  |  |  |
Revolving credit agreement | Export Credit Facility | Revolving credit agreement |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Revolving credit facility, maximum borrowing capacity | $ 7,000,000 |  |  |  |  | $ 5,000,000 |
Weighted average interest rate, revolving credit facility |  |  |  | 1.30% | 1.20% |  |
Revolving credit agreement | Export Credit Facility | Revolving credit agreement | LIBOR |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Basis spread on LIBOR |  |  |  | 1.25% | 1.00% |  |
Unsecured Promissory Note | PPP Loan |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Face amount |  |  | $ 5,025,000 |  |  |  |
Debt instrument, term |  |  | 2 years |  |  |  |
Interest rate |  |  | 0.98% |  |  |  |
Deferral term |  |  | 6 months |  |  |  |
Unsecured Promissory Note | PPP Loan | JPMorgan Chase Bank, N.A. |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |
Repayment debt |  |  |  |  | $ 261,000 |  |
Remaining debt balance |  |  |  | $ 4,764,000 | $ 4,764,000 |  |

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