Income Taxes - Summary of Effective Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
U.S. federal income taxes at the statutory rate	$ (4,609)	$ (1,919)
Goodwill impairment	1,547	0
Current Year Permanent Adjustment, Paycheck Protection Program loan forgiveness	0	(514)
State taxes, net of federal effects	(375)	(464)
Adjustment to U.S. NOLs, UK Anti-Hybrid	0	(1,837)
U.S. Federal and state NOL carryforward adjustment for expired NOLs	76	78
Change in valuation allowance	3,273	4,662
True up of prior year foreign tax expense	0	(108)
Other	81	12
Income tax benefit	$ (7)	$ (90)