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, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Revenue	$ 9,078	$ 10,646	$ 10,671	$ 9,972	$ 11,071	$ 10,420	$ 8,924	$ 16,729	$ 40,367	$ 47,144
Cost of revenue									34,952	39,418
Gross profit	$ 1,302	$ 1,328	$ 1,192	$ 1,593	$ 2,205	$ 1,890	$ 1,046	$ 2,585	5,415	7,726
Partner Solutions [Member]
Revenue									36,516	42,257
Cost of revenue									31,478	35,171
Gross profit									5,038	7,086
Edge to Cloud [Member]
Revenue									3,851	4,887
Cost of revenue									3,474	4,247
Gross profit									$ 377	$ 640