Note 2 - Variable Interest Entities - Consolidated VIEs' Assets and Liabilities (Details) - USD ($) $ in Thousands		Dec. 31, 2024	Dec. 31, 2023
Cash and cash equivalents		$ 812	$ 817
Accounts receivable, net		1,614	844
Prepayment and deposit to suppliers		4,508	4,505
Other current assets		2,239	2,794
Total current assets		9,173	8,960
Property and equipment, net		116	215
Deferred tax assets		0	401
Total Assets		9,686	11,233
Accounts payable	[1]	93	201
Advances from customers	[1]	489	843
Accrued payroll and other accruals	[1]	557	350
Taxes payable	[1]	3,152	3,194
Operating lease liabilities	[1]	0	24
Lease payment liabilities related to short-term leases	[1]	0	99
Other current liabilities	[1]	480	144
Total current liabilities		5,846	4,855
Total Liabilities		5,968	4,979
Variable Interest Entity, Primary Beneficiary [Member]
Cash and cash equivalents		24	367
Prepayment and deposit to suppliers		1,189	2,005
Other current assets		2	2
Total current assets		1,249	3,218
Property and equipment, net		85	139
Deferred tax assets		0	401
Total Assets		1,334	3,758
Accounts payable		93	201
Advances from customers		489	843
Accrued payroll and other accruals		14	37
Taxes payable		2,521	2,555
Operating lease liabilities		0	0
Lease payment liabilities related to short-term leases		0	99
Other current liabilities		546	56
Total current liabilities		3,663	3,791
Operating lease liabilities-Non current		0	0
Total Liabilities		3,663	3,791
Variable Interest Entity, Primary Beneficiary [Member] | Nonrelated Party [Member]
Accounts receivable, net		$ 34	$ 844

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