Income Taxes - Schedule of income taxes based on federal tax rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Income tax expense (benefit) at US Statutory Tax Rate	$ (1,641)	$ (1,994)
State income tax (benefit) expense, net of federal benefit	(167)	(31)
Foreign tax rate differential	1	155
U.S. Tax on non-U.S. income	0	(600)
U.S. Tax on non-U.S. income		(561)
Goodwill impairment	156	0
Research and Development credits	(150)	(269)
Assets Basis Adjustment	(650)	0
NOL carryback	0	(1,037)
Valuation allowance	2,670	63
PPP loan forgiveness	(1,396)	0
Other	325	(110)
Total income tax expense	$ (852)	$ (3,784)