Note 12 - Income Taxes - NOL Carryforwards (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025	Dec. 31, 2024
Balance	$ 32,245	$ 28,640
Net operating losses used and expired	(1,089)	3,605
Balance	31,156	32,245
Pre-Ownership Change [Member]
Balance	3,871	4,509
Net operating losses used and expired	(639)	(638)
Balance	3,232	3,871
Post-ownership change [Member]
Balance	28,374	24,131
Net operating losses used and expired	(450)	4,243
Balance	$ 27,924	$ 28,374