Note 1 - Significant Accounting Policies and Related Matters - Disaggregation of Revenue by Major Geographic Area (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Americas	$ 193,484	$ 161,651	$ 154,424
Americas [Member]
Americas	130,308	109,439	102,265
EMEA [Member]
Americas	51,099	41,854	42,132
Asia Pacific [Member]
Americas	$ 12,077	$ 10,358	$ 10,027