Note 9 - Information About Geographic Areas and Operating Segments - Profit and Loss Information (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended		9 Months Ended	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Sep. 30, 2019	Jun. 30, 2021	Jun. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Revenue	$ 10,671	$ 8,924	$ 14,718	$ 20,643	$ 25,653	$ 43,994	$ 59,360
Cost of revenue	9,479	7,878		17,858	22,022
Gross profit	1,192	1,046	2,709	2,785	3,631	7,523	10,173
Operating expenses	2,513	2,121		4,957	5,145
Other income (loss), net	1,614	2		1,605	(33)
Income taxes	0	0		0	0
Net income (loss)	293	(1,073)	(1,030)	(567)	(1,547)	(7,744)	(9,104)
Partner Solutions [Member]
Revenue	9,960	8,110		18,755	24,015
Cost of revenue	8,578	6,944		16,037	20,100
Gross profit	1,382	1,166		2,718	3,915
Edge to Cloud [Member]
Revenue	711	814	$ 2,162	1,888	1,638	$ 6,653	$ 8,732
Cost of revenue	901	934		1,821	1,922
Gross profit	$ (190)	$ (120)		$ 67	$ (284)