Note 12 - Taxation (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Operating Loss Carryforwards	$ 32,900		$ 32,900		$ 32,700
Operating Loss Carryforwards, Taxable Income Deduction Limitations	80.00%		80.00%
Deferred Tax Assets, Valuation Allowance	$ 12,598		$ 12,598		12,303
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	110	$ 260	300	$ 560
PRC Subsidiary And VIE's [Member]
Operating Loss Carryforwards	$ 11,500		$ 11,500		$ 10,600