Note 15 - Information About Operating Segments and Geographic Areas - Profit and Loss Information (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Revenue	$ 11,071	$ 10,420	$ 8,924	$ 16,729	$ 15,366	$ 14,641	$ 14,180	$ 15,096	$ 47,144	$ 59,283
Cost of revenue									39,418	49,187
Gross profit	2,205	1,890	1,046	2,585	2,650	2,632	2,423	2,391	7,726	10,096
Operating expenses									9,580	19,410
Other income, net									(35)	149
Income tax expense										(16)
Net loss	$ (206)	$ (136)	$ (1,073)	$ (474)	$ (1,360)	$ (1,107)	$ (3,868)	$ (2,846)	(1,889)	(9,181)
Partner Solutions [Member]
Revenue									42,257	50,628
Cost of revenue									35,171	43,198
Gross profit									7,086	7,430
Edge to Cloud [Member]
Revenue									4,887	8,655
Cost of revenue									4,247	5,989
Gross profit									$ 640	$ 2,666