Note 1 - Summary of Significant Accounting Policies - Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Balance at Beginning of Period	$ 40	$ 75	$ 65
Bad Debt Expense	216	(76)	99
Write-offs	177	10	99
Recoveries	1	51	10
Balance at End of Period	$ 80	$ 40	$ 75