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Equity - Equity Incentive Plan Options (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Share-based compensation          
Outstanding shares, beginning balance     2,759    
Forfeited/Expired (in shares)     (102)    
Outstanding shares, ending balance 2,657   2,657   2,759
Exercisable (in shares) 1,947   1,947    
Outstanding - Weighted Average Exercise Price (in dollars per share)     $ 2.07    
Forfeited/Expired - Weighted Average Exercise Price (in dollars per share)     0.88    
Outstanding - Weighted Average Exercise Price (in dollars per share) $ 2.11   2.11   $ 2.07
Exercisable - Weighted Average Exercise Price (in dollars per share) $ 1.75   $ 1.75    
Stock options, Contractual life (in years)     5 years 29 days   5 years 4 months 17 days
Exercisable - Weighted Average Remaining Contractual Life (in years)     4 years 7 months 24 days    
Estimated aggregate pretax intrinsic value $ 19   $ 19    
Total unrecognized compensation 357   357    
Equity Incentive Plan          
Share-based compensation          
Compensation expense $ 28 $ 46 $ 50 $ 90