Note 2 - Variable Interest Entities - Consolidated VIEs' Assets and Liabilities (Details) - USD ($) $ in Thousands		Sep. 30, 2022	Dec. 31, 2021
Cash and Cash Equivalents, at Carrying Value, Total		$ 2,154	$ 7,173
Accounts receivable, net		2,999	3,439
Prepayment and deposit to suppliers		7,593	7,559
Due from related parties		15	90
Other current assets, net		1,623	1,657
Total current assets		14,384	19,918
Long-term investments		2,149	2,280
Operating Lease, Right-of-Use Asset		1,838	2,019
Property and equipment, net		267	375
Deferred tax assets, net		398	441
Total Assets		25,000	32,631
Accounts payable	[1]	276	1,119
Advance from customers	[1]	951	1,245
Accrued payroll and other accruals	[1]	170	389
Taxes payable	[1]	3,199	3,534
Operating lease liabilities	[1]	389	202
Lease payment liability related to short-term leases	[1]	99	152
Other current liabilities	[1]	197	141
Total current liabilities		6,561	8,821
Operating lease liabilities-Non current	[1]	1,557	1,907
Total Liabilities		8,241	10,856
Variable Interest Entity, Primary Beneficiary [Member]
Cash and Cash Equivalents, at Carrying Value, Total		203	181
Accounts receivable, net		2,999	2,796
Prepayment and deposit to suppliers		3,382	5,287
Due from related parties		15	90
Other current assets, net		3	4
Total current assets		6,602	8,358
Long-term investments		445	496
Operating Lease, Right-of-Use Asset		199	21
Property and equipment, net		121	168
Deferred tax assets, net		398	441
Total Assets		7,765	9,484
Accounts payable		276	1,119
Advance from customers		858	1,113
Accrued payroll and other accruals		61	83
Taxes payable		2,562	2,849
Operating lease liabilities		198	9
Lease payment liability related to short-term leases		99	110
Other current liabilities		109	53
Total current liabilities		4,163	5,336
Operating lease liabilities-Non current		0	10
Total Liabilities		$ 4,163	$ 5,346

[1] Liabilities recognized as a result of consolidating these VIEs do not represent additional claims on the Company’s general assets (Note 2).