Note 4 - Property and Equipment - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Mar. 31, 2023
Total property and equipment	$ 24,993	$ 22,250
Less accumulated depreciation and amortization	(21,360)	(18,925)
Total property and equipment, net	3,634	3,325
Computer Equipment [Member]
Total property and equipment	6,546	6,501
Furniture and Fixtures [Member]
Total property and equipment	556	556
Leasehold Improvements [Member]
Total property and equipment	597	531
Software and Software Development Costs [Member]
Total property and equipment	$ 17,294	$ 14,662