Income Taxes - Schedule of Components of Net Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred tax assets:
Net operating loss carryforwards	$ 496	$ 38,781
Intangible assets	6,541	3,827
Stock-based compensation	1,886	340
Other	170	1,724
Total deferred tax assets	9,093	44,672
Valuation allowance	(9,084)	(44,465)
Total deferred tax assets, net of valuation allowance	9	207
Deferred tax liabilities:
Other	(9)	(207)
Total deferred tax liabilities	$ (9)	$ (207)