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Equity - Stock Options - Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Share-based compensation          
Outstanding shares, beginning balance     2,779    
Exercised (in shares)     (20)    
Outstanding shares, ending balance 2,759   2,759   2,779
Exercisable (in shares) 1,991   1,991    
Outstanding - Weighted Average Exercise Price (in dollars per share)     $ 2.05    
Exercised - Weighted Average Exercise Price (in dollars per share)     0.54    
Outstanding - Weighted Average Exercise Price (in dollars per share) $ 2.07   2.07   $ 2.05
Exercisable - Weighted Average Exercise Price (in dollars per share) $ 1.71   $ 1.71    
Stock options, Contractual life (in years)     5 years 6 months 29 days   6 years 5 months 4 days
Exercisable - Weighted Average Remaining Contractual Life (in years)     5 years    
Estimated aggregate pretax intrinsic value $ 154   $ 154    
Total unrecognized compensation 1,000   1,000    
Equity Incentive Plan          
Share-based compensation          
Compensation expense $ 42 $ 27 $ 132 $ 84