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Note 6 - Indebtedness (Details Textual) |  |  | 1 Months Ended | 3 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Apr. 05, 2024 USD ($) | Aug. 12, 2019 USD ($) $ / shares | Jul. 31, 2025 USD ($) | Jun. 30, 2025 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2025 USD ($) | Oct. 05, 2023 USD ($) | Mar. 05, 2021 USD ($)
Long-Term Debt |  |  |  | $ 70,313,000 |  |  |  |
Repayments of Debt |  |  |  | 7,438,000 | $ 9,438,000 |  |  |
Gain (Loss) on Extinguishment of Debt |  |  |  | $ (0) | 2,887,000 |  |  |
Senior Secured Credit Agreement [Member] |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 7.20% |  |  |  |
Long-Term Debt |  |  |  | $ 14,000,000 |  |  |  |
Line of Credit Facility, Remaining Borrowing Capacity |  |  |  | 111,000,000 |  |  |  |
Repayments of Lines of Credit |  |  | $ 3,000 |  |  |  |  |
Senior Secured Credit Agreement [Member] | Prepaid Expenses, Other and Other Assets [Member] |  |  |  |  |  |  |  |
Debt Issuance Costs, Net |  |  |  | $ 1,128,000 |  | $ 1,203,000 |  |
Senior Secured Credit Agreement [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |
Debt Instrument, Unused Borrowing Capacity, Fee |  |  | $ 77,000 |  |  |  |  |
Senior Secured Credit Agreement [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  | $ 75,000,000
Senior Secured Credit Agreement [Member] | Maximum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 3.50% |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  |  |  | 0.35% |  |  |  |
Senior Secured Credit Agreement [Member] | Maximum [Member] | Swingline Loan [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  | 5,000,000
Senior Secured Credit Agreement [Member] | Maximum [Member] | Revolving Credit Facility [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  | $ 125,000,000 |
Senior Secured Credit Agreement [Member] | Maximum [Member] | Letter of Credit [Member] |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  |  |  | $ 2,500,000
Senior Secured Credit Agreement [Member] | Minimum [Member] |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  |  |  | 1.50% |  |  |  |
Fixed Charge Coverage Ratio | 1.25 |  |  |  |  |  |  |
Senior Leverage Ratio | 3.5 |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  |  |  | 0.20% |  |  |  |
The Credit Facility Term Loan [Member] |  |  |  |  |  |  |  |
Debt Instrument, Covenant, Maximum Total Leverage Ratio for the Sixth, Seventh, and Eighth Testing Dates | 4 |  |  |  |  |  |  |
Debt Instrument, Covenant, Maximum Total Leverage Ratio Following the Ninth Testing date | 3.5 |  |  |  |  |  |  |
Term Loan [Member] |  |  |  |  |  |  |  |
Long-Term Debt, Gross | $ 75,000,000 |  |  | $ 70,313,000 |  | 71,250,000 |  |
Debt Instrument, Periodic Payment, Principal |  |  |  | $ 938,000 |  |  |  |
The Notes [Member] | Senior Notes [Member] |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Effective Percentage |  |  |  | 1.90% |  |  |  |
Long-Term Debt, Gross |  |  |  | $ 97,500,000 |  | 97,500,000 |  |
Long-Term Debt |  |  |  | 97,432,000 |  | 97,297,000 |  |
Debt Issuance Costs, Net |  |  |  | 68,000 |  | $ 203,000 |  |
Debt Instrument, Face Amount |  | $ 172,500,000 |  |  |  |  |  |
Proceeds from Convertible Debt |  | $ 167,056,000 |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 1.375% | 1.375% |  |  |  |  |  |
Debt Instrument, Convertible, Conversion Ratio Per 1,000 Principal |  | 3.5273 |  |  |  |  |  |
Debt Instrument, Convertible, Conversion Price (in dollars per share) | $ / shares |  | $ 283.5 |  |  |  |  |  |
Outstanding 2025 Notes [Member] |  |  |  |  |  |  |  |
Long-Term Debt, Gross |  |  |  | $ 97,500,000 |  |  |  |
Debt Instrument, Repurchased Face Amount | $ 75,000,000 |  |  |  |  |  |  |
Repayments of Debt | 71,250,000 |  |  |  |  |  |  |
Interest Payable | $ 160,000 |  |  |  |  |  |  |
Gain (Loss) on Extinguishment of Debt |  |  |  |  | $ 2,887,000 |  |  |

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