Nature of Business, Basis of Presentation and Liquidity (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Liquidity
Cash and cash equivalents	$ 90,883		$ 90,883		$ 114,916
Accumulated deficit	290,972		290,972		$ 263,572
Net loss	$ 17,024	$ 9,526	$ 27,400	$ 18,660

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

- Definition

The cumulative amount of the reporting entity's undistributed earnings or deficit.

+ References + Details