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Stock-Based Compensation and Other Benefit Plans - Share Options Outstanding, Exercisable and Vested or Expected to Vest (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Share Options Outstanding      
Number (in shares) 4,161,875 4,281,875 3,660,000
Weighted-average exercise price (in USD per share) $ 1.19
Aggregate intrinsic value $ 121    
Weighted-average remaining contractual term in years 3 years 4 months 28 days    
Share Options Currently Exercisable      
Number (in shares) 840,000    
Weighted-average exercise price (in USD per share) $ 1.28    
Aggregate intrinsic value ($000’s) $ 24    
Weighted-average remaining contractual term in years 2 years 1 month 24 days    
Share Options Vested or Expected to Vest      
Number (in shares) 3,889,147    
Weighted-average exercise price (in USD per share) $ 1.19    
Aggregate intrinsic value ($000’s) $ 114    
Weighted-average remaining contractual term in years 3 years 5 months 4 days