Note 6 - Fair Value Measurements - Carrying Value and Estimated Fair Value, 3.75% Convertible Senior Notes (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Jun. 30, 2026	Jun. 30, 2025
Term Loan Facilities Due 2030 [Member]
Debt, fair value	$ 126,034	$ 118,627
Delayed Draw Term Laon [Member]
Debt, fair value	16,595	0
Reported Value Measurement [Member]
Total	147,870	136,520
Reported Value Measurement [Member] \| Convertible Senior Notes Due June 1, 2026 [Member]
Debt, fair value	0	17,893
Reported Value Measurement [Member] \| Term Loan Facilities Due 2030 [Member]
Debt, fair value	126,034	118,627
Reported Value Measurement [Member] \| Credit Facility, Revolving [Member]
Debt, fair value	5,241	0
Reported Value Measurement [Member] \| Delayed Draw Term Laon [Member]
Debt, fair value	16,595	0
Estimate of Fair Value Measurement [Member]
Total	147,870	135,949
Estimate of Fair Value Measurement [Member] \| Convertible Senior Notes Due June 1, 2026 [Member]
Debt, fair value	0	17,322
Estimate of Fair Value Measurement [Member] \| Credit Facility, Revolving [Member]
Debt, fair value	$ 5,241	$ 0

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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+ Details