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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Non-controlling interest
Beginning balance (in shares) at Dec. 31, 2021   34,410      
Beginning balance at Dec. 31, 2021 $ 54,009 $ 34 $ 66,221 $ (12,551) $ 305
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Shares issued on stock options exercises for cash (in shares)   106      
Shares issued on stock options exercises for cash 365 $ 1 364    
Stock based compensation 6,697   6,697    
Shares issued on net settlement of stock options (in shares)   82      
Net loss (23,278)     (23,184) (94)
Ending balance (in shares) at Dec. 31, 2022   34,598      
Ending balance at Dec. 31, 2022 37,793 $ 35 73,282 (35,735) 211
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Contributions from non-controlling interest 147       147
Shares issued on stock options exercises for cash (in shares)   35      
Shares issued on stock options exercises for cash 86 $ 0 86    
Stock based compensation 5,114   5,114    
Shares issued on net settlement of stock options (in shares)   11      
Proceeds from debt allocated to warrants 2,632   2,632    
Net loss (18,850)     (18,713) (137)
Ending balance (in shares) at Dec. 31, 2023   34,644      
Ending balance at Dec. 31, 2023 $ 26,922 $ 35 $ 81,114 $ (54,448) $ 221