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Equity - Stock Options - Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Equity    
Outstanding shares, beginning balance 2,964  
Granted (in shares) 88  
Exercised (in shares) (43)  
Forfeited/Expired (in shares) (230)  
Outstanding shares, ending balance 2,779 2,964
Exercisable (in shares) 1,986  
Outstanding - Weighted Average Exercise Price (in dollars per share) $ 2.06  
Granted - Weighted Average Exercise Price (in dollars per share) 1.26  
Exercised - Weighted Average Exercise Price (in dollars per share) 0.89  
Forfeited/Expired - Weighted Average Exercise Price (in dollars per share) 1.99  
Outstanding - Weighted Average Exercise Price (in dollars per share) 2.05 $ 2.06
Exercisable - Weighted Average Exercise Price (in dollars per share) $ 1.70  
Granted - Weighted Average Remaining Contractual Life (in years) 9 years 3 days  
Stock options, Contractual life (in years) 6 years 5 months 4 days 6 years 10 months 20 days
Exercisable - Weighted Average Remaining Contractual Life (in years) 5 years 10 months 20 days  
Estimated aggregate pretax intrinsic value $ 0  
Total unrecognized compensation 1,100  
Compensation expense $ 118 $ 425