Note 12 - Taxation (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Operating Loss Carryforwards	$ 32,800		$ 32,700
Operating Loss Carryforwards, Taxable Income Deduction Limitations	80.00%
Deferred Tax Assets, Valuation Allowance	$ 12,510		12,303
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	190	$ 300
PRC Subsidiary And VIE's [Member]
Operating Loss Carryforwards	$ 11,000		$ 10,600