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Note 9 - Debt (Details Textual) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2025 | Sep. 30, 2021
Line of Credit Facility, Maximum Borrowing Capacity |  |  | $ 100
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  | Secured Overnight Financing Rate (SOFR) [Member] |
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% |  |
Revolving Credit Facility [Member] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | $ 125 | $ 125 | 75
Debt Instrument, Basis Spread on Variable Rate |  | 1.00% |
Debt Instrument, Interest Rate, Effective Percentage | 5.50% | 5.50% |
Line of Credit Facility, Remaining Borrowing Capacity | $ 73 | $ 73 |
Revolving Credit Facility [Member] | Minimum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.00% |  |
Revolving Credit Facility [Member] | Maximum [Member] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 2.25% |  |
Term Loan [Member] |  |  |
Debt Instrument, Face Amount |  |  | $ 25

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