Stock-Based Compensation - Performance Based Stock Options (Details) - USD ($) $ / shares in Units, $ in Thousands		12 Months Ended
Apr. 17, 2020	Dec. 31, 2021	Dec. 31, 2020
Weighted Average Exercise Price
Stock based compensation expenses		$ 943	$ 475
Stock option awards - Performance based awards
Number of Shares
Outstanding at the beginning of the period (in shares)		750,000	388,125
Granted (in shares)			750,000
Forfeited (in shares)		(750,000)	(388,125)
Outstanding at the end of the period (in shares)		0	750,000
Exercisable at end of period (in shares)		0
Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)		$ 2.20	$ 4.70
Granted (in dollars per share)			2.20
Forfeited (in dollars per share)		2.20	4.70
Outstanding at the end of the period (in dollars per share)		0	$ 2.20
Exercise price (in dollars per share)		$ 0
Stock based compensation expenses		$ (364)	$ (240)
Stock option awards - Performance based awards \| President and Chief Executive Officer
Number of Shares
Forfeited (in shares)	(750,000)

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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