Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Sales returns reserve	$ 130	$ 133
Net operating loss carryforwards	36,250	21,070
Stock options	3,592	12,336
Deferred revenue	15	14
Interest expense limitation	10,151	2,392
Intangibles	0	58
Other	2,364	1,917
Less: valuation allowances	(47,316)	(37,823)
Net deferred tax assets	5,186	97
Deferred tax liabilities:
Fixed assets	(18)	(14)
Goodwill	(1,528)	(103)
Prepaid Expenses	(3,562)
Intangibles	(560)
Contingent Consideration	(1,084)
Other	(130)
Net deferred tax liabilities	(6,882)	(117)
Net deferred tax assets (liabilities)	$ (1,696)	$ (20)