Note 2 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Total revenue	$ 9,972	$ 16,729
North America [Member]
Total revenue	8,588	13,776
Europe [Member]
Total revenue	222	639
Asia [Member]
Total revenue	1,162	2,314
Partner Solutions [Member]
Total revenue	8,795	15,905
Partner Solutions [Member] \| North America [Member]
Total revenue	7,523	13,171
Partner Solutions [Member] \| Europe [Member]
Total revenue	110	426
Partner Solutions [Member] \| Asia [Member]
Total revenue	1,162	2,308
Edge to Cloud [Member]
Total revenue	1,177	824
Edge to Cloud [Member] \| North America [Member]
Total revenue	1,065	605
Edge to Cloud [Member] \| Europe [Member]
Total revenue	112	213
Edge to Cloud [Member] \| Asia [Member]
Total revenue		$ 6

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