Note 11 - Subsequent Event (Details Textual) - USD ($)		1 Months Ended		3 Months Ended
	Feb. 17, 2026	Oct. 28, 2026	Sep. 30, 2026	Sep. 30, 2026	Mar. 31, 2026
Treasury Stock, Shares, Acquired (in shares)	2,935,227		28,022
Treasury Stock, Value, Acquired, Cost Method	$ 5,900,000		$ 27,000	$ 28,000	$ 5,962,000
Subsequent Event [Member]
Treasury Stock, Shares, Acquired (in shares)		57,269
Treasury Stock, Value, Acquired, Cost Method		$ 56,000