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Equity - Equity Offerings (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
May 15, 2024
USD ($)
shares
Apr. 23, 2024
USD ($)
D
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
Jun. 24, 2024
$ / shares
Jul. 31, 2018
Stockholders' equity            
Fair value of common stock (in dollars per share) | $ / shares         $ 0.91  
Net proceeds | $     $ 12,967 $ 0    
Public offering            
Stockholders' equity            
Net proceeds | $ $ 4,222          
Private Placement            
Stockholders' equity            
Net proceeds | $   $ 4,468        
Participation Right            
Stockholders' equity            
Maximum beneficial ownership (as a percent)           20.00%
Public ventures | Over-allotment option            
Stockholders' equity            
Redeemable warrants | shares 693          
Additional shares purchased | shares 693          
Private Warrants | Private Placement            
Stockholders' equity            
Offering price per warrant | $ / shares   $ 0.01        
Warrants for purchase (in shares) | shares   8,108        
Exercisable period   6 months        
Public Warrants | Public offering            
Stockholders' equity            
Number of shares of common stock issued | shares   4,621        
Redeemable warrants | shares   4,621        
Fair value of common stock (in dollars per share) | $ / shares   $ 0.91        
Offering price per warrant | $ / shares   0.01        
Exercise price (in dollars per share) | $ / shares   $ 1.05        
Term of warrants   5 years        
Business days | D   20        
Consecutive business day period | D   30        
Public Warrants | Public offering | Minimum            
Stockholders' equity            
Share price target | $ / shares   $ 2.275        
Private Pre-Funded Warrants | Private Placement            
Stockholders' equity            
Offering price per warrant | $ / shares   0.9099        
Exercise price (in dollars per share) | $ / shares   $ 0.0001 $ 0.0001 $ 0.0001    
Warrants for purchase (in shares) | shares   3,156        
Maximum beneficial ownership (as a percent)   4.99%        
Maximum Percentage of shares owned at the election of holder   9.99        
Underwriter warrants | Public ventures | Public offering            
Stockholders' equity            
Redeemable warrants | shares   425        
Fair value of common stock (in dollars per share) | $ / shares   $ 1.1375        
Threshold number of days | D   180        
Placement Agent Warrants | Public ventures | Private Placement            
Stockholders' equity            
Redeemable warrants | shares   432        
Common Stock | Public offering            
Stockholders' equity            
Number of shares of common stock issued | shares     5,314      
Common Stock | Private Placement            
Stockholders' equity            
Number of shares of common stock issued | shares   2,250 2,250      
Common Stock | Public Warrants            
Stockholders' equity            
Fair value of common stock (in dollars per share) | $ / shares   $ 0.91