Note 2 - Revenue Recognition - Schedule of Disaggregated Revenue By Major Product Line in Single Reporting Segment (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Revenue	$ 30,197	$ 26,520
The Government [Member]
Revenue	14,309	14,398
Commercial [Member]
Revenue	15,888	12,122
Service [Member]
Revenue	14,978	15,006
Service [Member] | The Government [Member]
Revenue	12,922	13,198
Service [Member] | Commercial [Member]
Revenue	2,056	1,808
Subscription [Member]
Revenue	15,219	11,514
Subscription [Member] | The Government [Member]
Revenue	1,387	1,200
Subscription [Member] | Commercial [Member]
Revenue	$ 13,832	$ 10,314