Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets:
Net operating loss carryforwards	$ 61,640	$ 44,342
Accrued expenses and reserves	1,245	68
Stock-based compensation	4,130	732
Inventory	2,214	211
Other intangibles	49	52
Deferred revenue	0	33
Operating lease liabilities	1,441	0
Other deferred tax assets	456	378
Total gross deferred tax assets	71,175	45,816
Less valuation allowance	(61,328)	(44,576)
Total deferred tax assets	9,847	1,240
Deferred tax liabilities:
Other intangibles	(6,933)	0
Fixed assets	(2,088)	(1,206)
Operating lease right-of-use assets	(1,343)	0
Other deferred tax liabilities	(112)	(34)
Total deferred tax liabilities	(10,476)	(1,240)
Total deferred tax liabilities	$ (629)	$ 0