Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Summary of Significant Accounting Policies and Recent Accounting Pronouncements [Line Items]
Cash and cash equivalents	$ 94,809	$ 98,679
Compensation and related benefits	2,800	3,300
Clinical expenses	500	200
Other accrued expenses	$ 900	$ 2,400
Expected dividend yield	0.00%
Stock Option
Summary of Significant Accounting Policies and Recent Accounting Pronouncements [Line Items]
Award vesting period	4 years
Stockholder ownership (percent)	10.00%
Incentive stock option exercise price for 10% shareholders (percent)	110.00%
Expected dividend yield	0.00%	0.00%
Restricted stock units
Summary of Significant Accounting Policies and Recent Accounting Pronouncements [Line Items]
Award vesting period	4 years
ESPP
Summary of Significant Accounting Policies and Recent Accounting Pronouncements [Line Items]
Award vesting period	6 months
ESPP stock discount rate	15.00%
Computer Equipment | Minimum
Summary of Significant Accounting Policies and Recent Accounting Pronouncements [Line Items]
Useful life	3 years
Computer Equipment | Maximum
Summary of Significant Accounting Policies and Recent Accounting Pronouncements [Line Items]
Useful life	5 years