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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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