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Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($)
$ in Thousands
Total
Convertible debt
Warrant
Private placement
At-the-market distribution
Common Stock
Common Stock
Convertible debt
Common Stock
Warrant
Common Stock
Private placement
Common Stock
At-the-market distribution
Equity Portion of Convertible Promissory Note
Equity Portion of Convertible Promissory Note
Convertible debt
Additional Paid- in-Capital
Additional Paid- in-Capital
Warrant
Accumulated Deficit
Accumulated Other Comprehensive Loss
Noncontrolling Interests
Beginning balance (in shares) at Dec. 31, 2023           165,134,000                      
Beginning balance at Dec. 31, 2023 $ 261,966         $ 308,198         $ 3,813   $ 41,203   $ (89,456) $ (1,792) $ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Net loss (7,742)                           (7,282)   (460)
Shares issued (in shares)                 2,564,000 496,000              
Shares issued       $ 10,000 $ 2,008       $ 10,000 $ 2,008              
Share issuance costs (50)         $ (50)                      
Shares issued for exercise of warrants / Equity portion of convertible promissory note (in shares)             6,872,000 5,579,000                  
Shares issued for exercise of warrants / Equity portion of convertible promissory note   $ 19,304 $ 16,934       $ 23,117 $ 22,297       $ (3,813)   $ (5,363)      
Shares issued for exercise of stock options (in shares)           698,000                      
Shares issued for exercise of stock options 901         $ 2,009             (1,108)        
Share-based compensation 818                       818        
Non-controlling interest Investment in Alta Mesa JV 55,011                       15,458       39,553
Cumulative translation adjustment 202                             202  
Ending balance (in shares) at Mar. 31, 2024           181,343,000                      
Ending balance at Mar. 31, 2024 359,352         $ 367,579         0   51,008   (96,738) (1,590) 39,093
Beginning balance (in shares) at Dec. 31, 2023           165,134,000                      
Beginning balance at Dec. 31, 2023 261,966         $ 308,198         3,813   41,203   (89,456) (1,792) 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Net loss (49,703)                                
Shares issued (in shares)         495,765                        
Shares issued for exercise of warrants / Equity portion of convertible promissory note (in shares)           8,224,985                      
Shares issued for exercise of warrants / Equity portion of convertible promissory note                         (7,454)        
Shares issued for exercise of stock options (in shares)           2,055,617                      
Shares issued for exercise of stock options                         (1,674)        
Cumulative translation adjustment (450)                                
Ending balance (in shares) at Sep. 30, 2024           185,346,000                      
Ending balance at Sep. 30, 2024 332,226         $ 377,841         0   56,233   (134,605) (2,242) 34,999
Beginning balance (in shares) at Mar. 31, 2024           181,343,000                      
Beginning balance at Mar. 31, 2024 359,352         $ 367,579         0   51,008   (96,738) (1,590) 39,093
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Net loss (23,621)                           (22,019)   (1,602)
Contributions from non-controlling interest 3,874                       3,874        
Shares issued for exercise of warrants / Equity portion of convertible promissory note (in shares)               1,888,000                  
Shares issued for exercise of warrants / Equity portion of convertible promissory note     5,120         $ 6,597           (1,477)      
Shares issued for exercise of stock options (in shares)           1,239,000                      
Shares issued for exercise of stock options 540         $ 921             (381)        
Share-based compensation 885                       885        
Cumulative translation adjustment (1,117)                             (1,117)  
Ending balance (in shares) at Jun. 30, 2024           184,470,000                      
Ending balance at Jun. 30, 2024 345,033         $ 375,097         0   53,909   (118,757) (2,707) 37,491
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Net loss (18,340)                           (15,848)   (2,492)
Contributions from non-controlling interest 1,495                       1,495        
Shares issued for exercise of warrants / Equity portion of convertible promissory note (in shares)           757,250   757,000                  
Shares issued for exercise of warrants / Equity portion of convertible promissory note     $ 1,864         $ 2,478         (614) $ (614)      
Shares issued for exercise of stock options (in shares)           118,750                      
Shares issued for exercise of stock options 81         $ 266             (185)        
Share-based compensation 1,628                       1,628        
Cumulative translation adjustment 465                             465  
Ending balance (in shares) at Sep. 30, 2024           185,346,000                      
Ending balance at Sep. 30, 2024 $ 332,226         $ 377,841         0   56,233   (134,605) (2,242) 34,999
Beginning balance (in shares) at Dec. 31, 2024 186,114,948         186,115,000                      
Beginning balance at Dec. 31, 2024 $ 318,542         $ 380,325         0   59,856   (150,848) (3,597) 32,806
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Net loss (25,387)                           (24,243)   (1,144)
Contributions from non-controlling interest 6,502                       5,045       1,457
Inventory transfers to non-controlling interest (1,053)                               (1,053)
Shares issued for exercise of warrants / Equity portion of convertible promissory note (in shares)           90,000                      
Shares issued for exercise of warrants / Equity portion of convertible promissory note 236         $ 302             (66)        
Shares issued for exercise of stock options (in shares)           181,000                      
Shares issued for exercise of stock options 141         $ 241             (100)        
Share-based compensation 878                       878        
Cumulative translation adjustment 65                             65  
Ending balance (in shares) at Mar. 31, 2025           186,386,000                      
Ending balance at Mar. 31, 2025 $ 299,924         $ 380,868         0   65,613   (175,091) (3,532) 32,066
Beginning balance (in shares) at Dec. 31, 2024 186,114,948         186,115,000                      
Beginning balance at Dec. 31, 2024 $ 318,542         $ 380,325         0   59,856   (150,848) (3,597) 32,806
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Net loss $ (40,611)                                
Shares issued for exercise of warrants / Equity portion of convertible promissory note (in shares)           90,000,000                      
Shares issued for exercise of warrants / Equity portion of convertible promissory note                         (66)        
Shares issued for exercise of stock options (in shares) 899,586         899,586,000                      
Shares issued for exercise of stock options                         (598)        
Cumulative translation adjustment $ 962                                
Ending balance (in shares) at Sep. 30, 2025 187,104,534         187,104,000                      
Ending balance at Sep. 30, 2025 $ 277,756         $ 382,009         0   55,374   (186,179) (2,635) 29,187
Beginning balance (in shares) at Mar. 31, 2025           186,386,000                      
Beginning balance at Mar. 31, 2025 299,924         $ 380,868         0   65,613   (175,091) (3,532) 32,066
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Net loss (8,835)                           (6,326)   (2,509)
Contributions from non-controlling interest 2,773                       580       2,193
Inventory transfers to non-controlling interest (1,507)                               (1,507)
Shares issued for exercise of stock options (in shares)           672,000                      
Shares issued for exercise of stock options 549         $ 993             (444)        
Share-based compensation 751                       751        
Cumulative translation adjustment 1,264                             1,264  
Ending balance (in shares) at Jun. 30, 2025           187,058,000                      
Ending balance at Jun. 30, 2025 294,919         $ 381,861         0   66,500   (181,417) (2,268) 30,243
Increase (Decrease) in Stockholders' Equity [Roll Forward]                                  
Net loss (6,389)                           (4,762)   (1,627)
Contributions from non-controlling interest 2,255                               2,255
Inventory transfers to non-controlling interest (1,684)                               (1,684)
Shares issued for exercise of stock options (in shares)           46,210                      
Shares issued for exercise of stock options 94         $ 148             (54)        
Share-based compensation 477                       477        
Stock Issued During Period, Value, Conversion of Units (11,549)                       (11,549)        
Cumulative translation adjustment $ (367)                             (367)  
Ending balance (in shares) at Sep. 30, 2025 187,104,534         187,104,000                      
Ending balance at Sep. 30, 2025 $ 277,756         $ 382,009         $ 0   $ 55,374   $ (186,179) $ (2,635) $ 29,187