Note 12 - Taxation (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Operating Loss Carryforwards	$ 34,420		$ 34,180
Operating Loss Carryforwards, Taxable Income Deduction Limitations	80.00%
Deferred Tax Assets, Valuation Allowance	$ 13,250		13,136
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	110	$ 190
PRC Subsidiary And VIE's [Member]
Operating Loss Carryforwards	$ 10,940		$ 10,870