Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Payables and Accruals [Abstract]
Other payable	$ 4,294	$ 3,787
Tax penalty payable (a)	2,780	2,780
Accrued expense	786	120
Other tax payables	1,086	972
Other accrual and payables	1,148	831
Total accrued liabilities	$ 10,094	$ 8,490