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v3.23.4

Debt and Subsequent Event - Narrative (Details) |  | 1 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 21, 2023 USD ($) | Sep. 30, 2022 USD ($) lender | Oct. 31, 2021 USD ($) | Sep. 30, 2023 USD ($) customer | Sep. 30, 2022 USD ($) lender | Sep. 30, 2021 USD ($) lender | Nov. 08, 2023 USD ($) | Aug. 09, 2023 USD ($) | Aug. 08, 2023 USD ($) | Sep. 30, 2020 USD ($) | Apr. 10, 2020 USD ($)
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of customer invoices factored | customer |  |  |  | 1 |  |  |  |  |  |  |
Debt instrument, number of lenders | lender |  | 2 |  |  | 2 | 2 |  |  |  |  |
Debt instrument, unamortized discount premium |  |  |  | $ 86,000 |  |  |  |  |  |  |
Revolving line of credit, accumulated amortization of debt issuance costs |  | $ 46,000 |  | $ 78,000 | $ 46,000 |  |  |  |  |  |
Revolving credit agreement |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Percentage of stock pledged on credit agreement |  |  |  | 66.67% |  |  |  |  |  |  |
Notes Payable to Banks |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt face amount |  |  |  |  |  |  |  |  |  | $ 1,465,000 |
Weighted average interest rate, revolving credit facility |  |  |  | 6.96% |  |  |  |  |  |  |
Long-term loan repayment schedule period |  |  |  | 72 months |  |  |  |  |  |  |
Notes Payable to Banks | Minimum |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt instrument, term |  |  |  | 6 months |  |  |  |  |  |  |
Notes Payable to Banks | Maximum |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt instrument, term |  |  |  | 12 months |  |  |  |  |  |  |
Notes Payable to Banks | Euro Interbank Offered Rate (Euribor) |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread |  |  |  | 3.20% |  |  |  |  |  |  |
Foreign subsidiary borrowings |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Receivables pledged as collateral |  | 792,000 |  | $ 1,247,000 | 792,000 |  |  |  |  |  |
Long-term debt |  | 7,101,000 |  | $ 5,771,000 | 7,101,000 |  |  |  |  |  |
Foreign subsidiary borrowings | Euro Interbank Offered Rate (Euribor) | Minimum |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Euribor variable interest rates |  |  |  | 0.50% |  |  |  |  |  |  |
Foreign subsidiary borrowings | Euro Interbank Offered Rate (Euribor) | Maximum |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Euribor variable interest rates |  |  |  | 7.90% |  |  |  |  |  |  |
Credit Agreement | Revolving credit agreement |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Receivables pledged as collateral |  | 22,711,000 |  | $ 21,089,000 | $ 22,711,000 |  |  |  |  |  |
Percent availability under revolving commitment |  |  |  |  | 10.00% |  |  |  |  |  |
Credit Agreement | Revolving credit agreement | Revolving credit agreement |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility, maximum borrowing capacity |  | 35,000,000 |  | 30,000,000 | $ 35,000,000 |  |  | $ 23,000,000 | $ 28,000,000 |  |
Reserves under borrowing base |  |  |  |  |  |  |  |  | $ 1,500,000 |  |
Fixed charge coverage ratio |  |  |  |  |  |  |  |  | 1.1 |  |
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 |  |
Remaining borrowing capacity |  | 9,403,000 |  | 2,830,000 | 9,403,000 |  |  |  |  |  |
Letters of credit |  | $ 1,970,000 |  | $ 1,970,000 | $ 1,970,000 |  |  |  |  |  |
Weighted average interest rate, revolving credit facility |  | 4.86% |  | 7.68% | 4.86% |  |  |  |  |  |
Commitment fee percentage |  |  |  | 0.25% | 0.25% |  |  |  |  |  |
Credit Agreement | Revolving credit agreement | Revolving credit agreement | Subsequent event |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility, maximum borrowing capacity | $ 19,000,000 |  |  |  |  |  |  |  |  |  |
Reserves under borrowing base |  |  |  |  |  |  | $ 1,500,000 |  |  |  |
Credit Agreement | Revolving credit agreement | Revolving credit agreement | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread |  |  |  | 2.25% | 2.25% |  |  |  |  |  |
Export Credit Facility | Revolving credit agreement | Revolving credit agreement |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility, maximum borrowing capacity |  |  |  |  |  |  |  | 7,000,000 |  |  |
Weighted average interest rate, revolving credit facility |  | 4.36% |  | 7.18% | 4.36% |  |  |  |  |  |
Export Credit Facility | Revolving credit agreement | Revolving credit agreement | Subsequent event |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility, maximum borrowing capacity | 7,000,000 |  |  |  |  |  |  |  |  |  |
Export Credit Facility | Revolving credit agreement | Revolving credit agreement | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread |  |  |  | 1.75% | 1.75% |  |  |  |  |  |
Credit Agreement And Export Credit Facility | Revolving credit agreement | Revolving credit agreement |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility, maximum borrowing capacity |  |  |  |  |  |  |  | 30,000,000 | $ 35,000,000 |  |
Reserves under borrowing base |  |  |  | $ 1,500,000 |  |  |  | 1,500,000 |  |  |
Credit Agreement And Export Credit Facility | Revolving credit agreement | Revolving credit agreement | Subsequent event |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Revolving credit facility, maximum borrowing capacity | 23,000,000 |  |  |  |  |  |  |  |  |  |
Reserves under borrowing base | 1,500,000 |  |  |  |  |  |  |  |  |  |
Monthly increase in reserves under borrowing base | 250,000 |  |  |  |  |  |  |  |  |  |
Credit Agreement And Export Credit Facility | Revolving credit agreement | Revolving credit agreement | Debt Covenant Period One |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt covenant, maximum principal balance |  |  |  |  |  |  |  | 18,000,000 |  |  |
Reserves under borrowing base |  |  |  |  |  |  |  | 1,500,000 |  |  |
Credit Agreement And Export Credit Facility | Revolving credit agreement | Revolving credit agreement | Debt Covenant Period Two |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt covenant, maximum principal balance |  |  |  |  |  |  |  | 19,000,000 |  |  |
Reserves under borrowing base |  |  |  |  |  |  |  | $ 2,000,000 |  |  |
Subordinated Promissory Note | Subordinated note | Subsequent event | Director |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Reserves under borrowing base | 1,500,000 |  |  |  |  |  |  |  |  |  |
Debt face amount | 3,000,000 |  |  |  |  |  |  |  |  |  |
Monthly increase in reserves under borrowing base | $ 250,000 |  |  |  |  |  |  |  |  |  |
Commitment fee percentage | 0.50% |  |  |  |  |  |  |  |  |  |
Borrowing base, percentage of eligible inventory | 70.00% |  |  |  |  |  |  |  |  |  |
Available funds paid to borrowers | $ 3,000,000 |  |  |  |  |  |  |  |  |  |
Interest rate, fixed percentage | 14.00% |  |  |  |  |  |  |  |  |  |
Fully earned and non-refundable fee | $ 150,000 |  |  |  |  |  |  |  |  |  |
Guaranty Fee | $ 760,000 |  |  |  |  |  |  |  |  |  |
Borrowing base calculation, percentage | 85.00% |  |  |  |  |  |  |  |  |  |
Subordinated Promissory Note | Subordinated note | Secured Overnight Financing Rate (SOFR) | Subsequent event | Director |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread | 2.75% |  |  |  |  |  |  |  |  |  |
Subordinated Promissory Note | Subordinated note | CBFR | Subsequent event | Director |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread | 2.75% |  |  |  |  |  |  |  |  |  |
Subordinated Promissory Note | Subordinated note | CB Floating Rate | Subsequent event | Director |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Basis spread | 0.25% |  |  |  |  |  |  |  |  |  |
First Loan |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt face amount |  |  | $ 1,200,000 |  |  | $ 717,000 |  |  |  |  |
Debt instrument, term |  |  | 6 years |  |  | 7 years |  |  |  |  |
Debt instrument, decrease, forgiveness |  |  |  |  |  | $ 287,000 |  |  |  |  |
Second Loan |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt face amount |  | $ 1,100,000 |  |  | $ 1,100,000 | $ 303,000 |  |  |  |  |
Debt instrument, term |  | 5 years |  |  |  | 5 years |  |  |  |  |
Paycheck Protection Program Loan | Unsecured Debt |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Debt face amount |  |  |  |  |  |  |  |  |  |  | $ 5,025,000
Paycheck Protection Program Loan | Unsecured Debt | JPMORGAN CHASE BANK N.A. |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |  |  |
Long-term debt |  | $ 0 |  | $ 0 | $ 0 |  |  |  |  |  |

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