Income Taxes - Schedule of Differences between Total Income Tax or Benefit and Amount Computed by Applying the Statutory Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Statutory rate applied to pre-tax loss	$ (1,380)	$ (12,991)	$ (9,656)
Permanent differences, net	248	16	97
State income tax, net of federal benefit	(421)	(2,868)	(1,430)
Foreign income tax	7	13	78
Federal and State rate change	(1)	(20)	(146)
Other	109	(110)	41
Valuation allowance increase	1,876	15,923	7,648
Total tax expense (benefit)	$ 438	$ (37)	$ (3,368)
Effective tax rate	(6.70%)	0.10%	7.30%