Note 2 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Total revenue	$ 8,406	$ 10,646	$ 28,532	$ 31,289
North America [Member]
Total revenue	7,698	9,258	25,742	26,067
Europe [Member]
Total revenue	128	112	336	476
Asia [Member]
Total revenue	580	1,276	2,454	4,746
Partner Solutions [Member]
Total revenue	7,557	9,638	26,042	28,393
Partner Solutions [Member] | North America [Member]
Total revenue	6,877	8,294	23,335	23,372
Partner Solutions [Member] | Europe [Member]
Total revenue	100	68	253	275
Partner Solutions [Member] | Asia [Member]
Total revenue	580	1,276	2,454	4,746
Edge to Cloud [Member]
Total revenue	849	1,008	2,490	2,896
Edge to Cloud [Member] | North America [Member]
Total revenue	821	964	2,407	2,695
Edge to Cloud [Member] | Europe [Member]
Total revenue	28	44	83	201
Edge to Cloud [Member] | Asia [Member]
Total revenue	$ 0	$ 0	$ 0	$ 0