Note 5 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property and equipment at cost	$ 63,874	$ 50,756
Less accumulated depreciation and amortization	35,669	33,508
Net property and equipment	28,205	17,248
Furniture and Fixtures [Member]
Property and equipment at cost	3,886	4,753
Computer Equipment [Member]
Property and equipment at cost	2,498	2,639
Software and Software Development Costs [Member]
Property and equipment at cost	34,143	29,876
Building and Building Improvements [Member]
Property and equipment at cost	22,434	12,561
Leasehold Improvements [Member]
Property and equipment at cost	488	502
Land [Member]
Property and equipment at cost	$ 425	$ 425