Note 10 - Revenue and Geographic Information - Total Revenue by Geographic Location (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue	$ 38,753	$ 41,465	$ 121,197	$ 123,691
Percentage of Revenue	100.00%	100.00%	100.00%	100.00%
UNITED STATES
Revenue	$ 27,699	$ 30,831	$ 85,923	$ 90,986
Percentage of Revenue	71.00%	74.00%	71.00%	74.00%
Europe [Member]
Revenue	$ 5,688	$ 5,420	$ 18,264	$ 16,757
Percentage of Revenue	15.00%	13.00%	15.00%	13.00%
Other Location [Member]
Revenue	$ 5,366	$ 5,214	$ 17,010	$ 15,948
Percentage of Revenue	14.00%	13.00%	14.00%	13.00%