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Share-Based Payments - Stock Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]      
Number of shares, outstanding at beginning of period (in shares) 488,477 831,071  
Number of shares, granted (in shares) 160,000 0  
Number of shares, expired and canceled (in shares) (35,457) (274,379)  
Number of shares, forfeited prior to vesting (in shares) (5,210) (68,215)  
Number of shares, exercised (in shares) 0 0  
Number of shares, outstanding at end of period (in shares) 607,810 488,477 831,071
Number of shares, vested and expected to vest at end of period (in shares) 607,810 488,477  
Number of shares, vested at end of period (in shares) 403,365 373,612  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]      
Weighted average exercise price, beginning of period (in dollars per share) $ 6.48 $ 6.47  
Weighted average exercise price, granted (in dollars per share) 1.01 0  
Weighted average exercise price, expired and canceled (in dollars per share) 7.29 7.44  
Weighted average exercise price, forfeited prior to vesting (in dollars per share) 2.5 2.5  
Weighted average exercise price, exercised (in dollars per share) 0 0  
Weighted average exercise price, end of period (in dollars per share) 5.03 6.48 $ 6.47
Weighted average exercise price, vested and expected to vest at end of period (in dollars per share) 5.03 6.48  
Weighted average exercise price, vested at end of period (in dollars per share) $ 6.9 $ 7.72  
Weighted Average Remaining Contractual Term (Years) 3 years 3 months 25 days 3 years 5 months 1 day 4 years 1 month 6 days
Weighted average remaining contractual term, vested and expected to vest (Years) 3 years 3 months 25 days 3 years 5 months 1 day  
Weighted average remaining contractual term, vested (Years) 2 years 6 months 3 days 3 years 2 months 19 days  
Aggregate intrinsic value $ 0 $ 0 $ 0
Aggregate intrinsic value, vested and expected to vest 0 0  
Aggregate intrinsic value, vested $ 0 $ 0