Stockholders' Equity - Restricted Stock and Restricted Stock Units (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued	1,061,175	300,450
Value of shares issued	$ 973	$ 478
Weighted average estimated fair value	$ 0.92	$ 1.59
Restricted Stock \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting terms (years)	1 year
Restricted Stock \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting terms (years)	4 years
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued	1,379,860	458,245
Value of shares issued	$ 1,265	$ 729
Vesting terms (years)	1 year

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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