Note 2 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Total revenue	$ 10,394	$ 10,671	$ 20,126	$ 20,643
North America [Member]
Total revenue	9,277	8,221	18,046	16,809
Europe [Member]
Total revenue	81	138	207	359
Asia [Member]
Total revenue	1,036	2,312	1,873	3,475
Partner Solutions [Member]
Total revenue	9,353	9,960	18,485	18,755
Partner Solutions [Member] \| North America [Member]
Total revenue	8,254	7,555	16,459	15,078
Partner Solutions [Member] \| Europe [Member]
Total revenue	63	93	153	202
Partner Solutions [Member] \| Asia [Member]
Total revenue	1,036	2,312	1,873	3,475
Edge to Cloud [Member]
Total revenue	1,041	711	1,641	1,888
Edge to Cloud [Member] \| North America [Member]
Total revenue	1,023	666	1,587	1,731
Edge to Cloud [Member] \| Europe [Member]
Total revenue	18	45	54	157
Edge to Cloud [Member] \| Asia [Member]
Total revenue	$ 0	$ 0	$ 0	$ 0

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details