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Note 10 - Debt (Details Textual) - USD ($) $ in Millions | 1 Months Ended | 6 Months Ended
--- | --- | ---
Sep. 30, 2021 | Mar. 31, 2025
Line of Credit Facility, Maximum Borrowing Capacity | $ 100.0 |
Minimum [Member] |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.15% |
Maximum [Member] |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.25% |
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] |  |
Debt Instrument, Basis Spread on Variable Rate | 0.50% |
Secured Overnight Financing Rate (SOFR) [Member] |  |
Debt Instrument, Basis Spread on Variable Rate | 1.00% | 1.00%
Secured Overnight Financing Rate (SOFR) [Member] | Minimum [Member] |  |
Debt Instrument, Basis Spread on Variable Rate | 1.00% |
Secured Overnight Financing Rate (SOFR) [Member] | Maximum [Member] |  |
Debt Instrument, Basis Spread on Variable Rate | 2.25% |
Base Rate [Member] | Minimum [Member] |  |
Debt Instrument, Basis Spread on Variable Rate | 0.00% |
Base Rate [Member] | Maximum [Member] |  |
Debt Instrument, Basis Spread on Variable Rate | 1.25% |
Revolving Credit Facility [Member] |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 75.0 | $ 75.0
Debt Instrument, Interest Rate, Effective Percentage |  | 5.40%
Line of Credit Facility, Remaining Borrowing Capacity |  | $ 32.1
Term Loan [Member] |  |
Debt Instrument, Face Amount | 25.0 |
Debt Instrument, Annual Principal Payment | $ 3.6 |
Debt Instrument, Term | 5 years |

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