Note 8 - Debt (Details Textual) - The 2026 Notes [Member] - USD ($)	Oct. 20, 2021	Jun. 30, 2026
Debt Instrument, Interest Rate, Stated Percentage	4.875%
Debt Instrument, Face Amount	$ 40,250,000	$ 40,250,000
Proceeds from Issuance of Debt	$ 38,607,000
Debt Instrument, Maturity Date	Dec. 31, 2026

Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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