Note 10 - Long-term Debt - Future Maturities of Long-term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
2024	$ 267
2025	204
2026	77
2027	77
2028	77
Total debt	$ 702	$ 1,000

Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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