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Equity - Equity Incentive Plan Options and Inducement Options (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Equity Incentive Plan          
Share-based compensation          
Outstanding shares, beginning balance     2,452    
Forfeited/Expired (in shares)     (55)    
Outstanding shares, ending balance 2,397   2,397   2,452
Exercisable (in shares) 1,872   1,872    
Outstanding - Weighted Average Exercise Price (in dollars per share)     $ 2.04    
Forfeited/Expired - Weighted Average Exercise Price (in dollars per share)     2.56    
Outstanding - Weighted Average Exercise Price (in dollars per share) $ 2.03   2.03   $ 2.04
Exercisable - Weighted Average Exercise Price (in dollars per share) $ 1.7   $ 1.7    
Outstanding - Weighted Average Remaining Contractual Life (in years)     4 years 2 months 4 days   4 years 11 months 1 day
Exercisable - Weighted Average Remaining Contractual Life (in years)     3 years 9 months 10 days    
Aggregate Intrinsic Value, Outstanding beginning of year     $ 496    
Aggregate Intrinsic Value, Outstanding end of period         $ 496
Total unrecognized compensation $ 249   $ 249    
Contractual life     10 years    
Non-Qualified Stock Option          
Share-based compensation          
Outstanding shares, beginning balance     491    
Outstanding shares, ending balance 491   491   491
Exercisable (in shares) 441   441    
Outstanding - Weighted Average Exercise Price (in dollars per share)     $ 1.53    
Outstanding - Weighted Average Exercise Price (in dollars per share) $ 1.53   1.53   $ 1.53
Exercisable - Weighted Average Exercise Price (in dollars per share) $ 1.6   $ 1.6    
Outstanding - Weighted Average Remaining Contractual Life (in years)     2 years 6 months 18 days   3 years 14 days
Exercisable - Weighted Average Remaining Contractual Life (in years)     2 years 9 months 14 days    
Aggregate Intrinsic Value, Outstanding beginning of year     $ 119    
Aggregate Intrinsic Value, Outstanding end of period         $ 119
Equity Option          
Share-based compensation          
Compensation expense $ 17 $ 28 $ 38 $ 50