Fair Value Measurements - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Liabilities Carried at Fair Value:
Derivative liability - conversion option	$ 37	$ 1,193
Derivative liability	37	1,193
Level 1 | Recurring basis | Money Market Funds
Assets Carried at Fair Value:
Assets, Fair Value	12,192	36,693
Level 3 | Recurring basis
Liabilities Carried at Fair Value:
Acquired contingent consideration	49,600	48,200
Derivative liability - conversion option	37	1,193
Derivative liability	$ 37	$ 1,193