Note 15 - Subsequent Events (Details Textual) - USD ($)	3 Months Ended
Jun. 30, 2025	Mar. 31, 2025	Mar. 31, 2024
Dividends declared per share (in dollars per share)		$ 0.04	$ 0.04
O, 2025, Q2, Dividends [Member] \| Forecast [Member]
Dividends declared per share (in dollars per share)	$ 0.04
Dividends	$ 5,000,000
S, 2025, Q2, Dividends [Member] \| Forecast [Member]
Dividends	531,000
Dividends Payable	$ 86,000

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