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Equity - Stock Options - Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Equity          
Outstanding shares, beginning balance     2,964    
Granted (in shares)     88    
Exercised (in shares)     (3)    
Forfeited/Expired (in shares)     (10)    
Outstanding shares, ending balance 3,039   3,039   2,964
Exercisable (in shares) 2,212   2,212    
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)     2.93    
Outstanding - Weighted Average Exercise Price (in dollars per share) $ 2.03   2.03   $ 2.06
Exercisable - Weighted Average Exercise Price (in dollars per share) $ 1.71   $ 1.71    
Granted - Weighted Average Remaining Contractual Life (in years)     9 years 6 months 3 days    
Exercised - Weighted Average Remaining Contractual Life (in years)     0 years    
Forfeited/Expired - Weighted Average Remaining Contractual Life (in years)     0 years    
Stock options, Contractual life (in years)     6 years 5 months 19 days   6 years 10 months 20 days
Exercisable - Weighted Average Remaining Contractual Life (in years)     5 years 9 months 14 days    
Estimated aggregate pretax intrinsic value $ 291   $ 291    
Total unrecognized compensation 1,700   1,700    
Compensation expense $ 15 $ 19 $ 57 $ 429