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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 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Share-based compensation      
Outstanding shares, beginning balance 2,452    
Forfeited/Expired (in shares) (55)    
Outstanding shares, ending balance 2,397   2,452
Exercisable (in shares) 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   $ 2.04
Exercisable - Weighted Average Exercise Price (in dollars per share) $ 1.7    
Outstanding - Weighted Average Remaining Contractual Life (in years) 4 years 4 months 9 days   4 years 11 months 1 day
Exercisable - Weighted Average Remaining Contractual Life (in years) 3 years 11 months 12 days    
Aggregate Intrinsic Value, Outstanding beginning of year $ 496    
Aggregate Intrinsic Value, Outstanding end of period 11   $ 496
Aggregate Intrinsic Value, Exercisable end of period 11    
Total unrecognized compensation 266    
Equity Incentive Plan      
Share-based compensation      
Compensation expense $ 20 $ 22  
Contractual life 10 years    
Non-Qualified Stock Option      
Share-based compensation      
Outstanding shares, beginning balance 491    
Outstanding shares, ending balance 491   491
Exercisable (in shares) 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
Exercisable - Weighted Average Exercise Price (in dollars per share) $ 1.6    
Outstanding - Weighted Average Remaining Contractual Life (in years) 2 years 9 months 18 days   3 years 14 days
Exercisable - Weighted Average Remaining Contractual Life (in years) 3 years 14 days    
Aggregate Intrinsic Value, Outstanding beginning of year $ 119    
Aggregate Intrinsic Value, Outstanding end of period     $ 119