Summary of Significant Accounting Policies - Fair Value Measurements Using Significant Level III Inputs (Details) - Level III - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	$ 0	$ 691
Reclassification of warrant liability to equity upon exercise of warrant		(1,337)
Reclassification of warrant liability to equity upon change in classification		(587)
Change in fair value		1,233
Ending balance		0
Contingent Consideration
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning balance	485	0
Contingent consideration - acquisition of LifeDojo		505
Change in fair value	1,315	(20)
Payment of contingent consideration	(1,443)
Ending balance	$ 357	$ 485