Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred Tax Asset
Net operating loss carryovers	$ 35,033	$ 30,731
Stock based compensation	2,540	1,253
Research credits	131	138
Accrued compensation	96	86
Reserves	345	151
Intangibles	0	7,411
Fixed assets	393	471
Unrealized gain	12,876	0
Other	260	3,349
Total Deferred Tax Asset	51,674	43,590
Less: valuation allowance	(46,071)	(38,287)
Deferred Tax Asset, Net of Valuation Allowance	5,603	5,303
Deferred Tax Liabilities
Intangible assets	(4,613)	(4,362)
Fixed assets	(239)	(135)
Other	(381)	(440)
Capitalized research	(370)	(366)
Total deferred tax liabilities	(5,603)	(5,303)
Net Deferred Tax Asset (Liability)	$ 0	$ 0