Note 2 - Summary of Significant Accounting Policies - Schedule of Changes in Deferred Financing Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Balance	$ 847	$ 1,160	$ 1,301
Deferred financing costs capitalized on new debt	863	278	334
Amortization of deferred financing costs	(139)	(591)	(475)
Write-off of unamortized deferred financing costs	(131)
Balance	$ 1,440	$ 847	$ 1,160