Note 2 - Variable Interest Entities - Consolidated VIEs' Assets and Liabilities (Details) - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
Cash and Cash Equivalents, at Carrying Value, Total		$ 4,391	$ 7,173
Accounts receivable, net		1,745	3,439
Prepayment and deposit to suppliers		4,567	7,559
Due from Related Parties, Current, Total		0	90
Other current assets		1,610	1,657
Total current assets		12,313	19,918
Long-term investments, net		1,596	2,280
Operating Lease, Right-of-Use Asset		1,761	2,019
Property and equipment, net		249	375
Deferred tax assets		406	441
Total Assets		19,658	32,631
Accounts payable	[1]	205	1,119
Advances from customers	[1]	739	1,245
Accrued payroll and other accruals	[1]	438	389
Taxes payable	[1]	3,248	3,534
Operating lease liabilities	[1]	347	202
Short-term Lease Liability		101	152
Other current liabilities	[1]	437	141
Total current liabilities		5,700	8,821
Operating lease liabilities-Non current	[1]	1,535	1,907
Total Liabilities		7,361	10,865
Variable Interest Entity, Primary Beneficiary [Member]
Cash and Cash Equivalents, at Carrying Value, Total		578	181
Accounts receivable, net		1,745	2,796
Prepayment and deposit to suppliers		2,020	5,287
Due from Related Parties, Current, Total		0	90
Other current assets		2	4
Total current assets		4,345	8,358
Long-term investments, net		165	496
Operating Lease, Right-of-Use Asset		145	21
Property and equipment, net		113	168
Deferred tax assets		406	441
Total Assets		5,174	9,484
Accounts payable		205	1,119
Advances from customers		515	1,113
Accrued payroll and other accruals		63	83
Taxes payable		2,602	2,849
Operating lease liabilities		146	9
Short-term Lease Liability		101	110
Other current liabilities		320	53
Total current liabilities		3,952	5,336
Operating lease liabilities-Non current		0	10
Total Liabilities		$ 3,952	$ 5,346

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