Note 1 - Summary of Significant Accounting Policies - Amortization Expense Classification (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Direct expenses	$ 1,051	$ 1,342	$ 1,771
Direct Expenses [Member]
Direct expenses	187	181	146
Selling, General and Administrative Expenses [Member]
Direct expenses	$ 864	$ 1,161	$ 1,625