Note 12 - Taxation (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Operating Loss Carryforwards	$ 34,600		$ 34,600		$ 32,700
Operating Loss Carryforwards, Taxable Income Deduction Limitations	80.00%		80.00%
Deferred Tax Assets, Valuation Allowance	$ 13,063		$ 13,063		12,303
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	420	$ 350	720	$ 910
PRC Subsidiary And VIE's [Member]
Operating Loss Carryforwards	$ 11,600		$ 11,600		$ 10,600