Note 4 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Total sales	$ 11,568	$ 11,180	$ 30,708	$ 32,860
Hardware [Member]
Total sales	4,847	5,015	12,606	17,141
Installation Services [Member]
Total sales	967	1,472	3,082	3,714
Software Development Services [Member]
Total sales	203	105	1,023	405
Managed Services [Member]
Total sales	4,320	3,900	12,227	10,435
Media [Member]
Total sales	1,231	688	1,770	1,165
Service [Member]
Total sales	$ 6,721	$ 6,165	$ 18,102	$ 15,719