v3.25.2
Goodwill and Intangible Assets (Details 1) - USD ($)
$ 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, 2023
Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]            
Gross Carrying Amount         $ 24,332  
Accumulated Amortization         (4,684)  
Cumulative Impairment         (19,569)  
Net Carrying Amount         79  
Gross Carrying Amount $ 300   $ 300   24,738 $ 250
Accumulated Amortization (201)   (201)   (4,684) (165)
Cumulative Impairment on intangible assets     (19,975)
Net Carrying Amount 99   99   79 85
Indefinite-lived intangible assets, gross carrying amount         406  
Total indefinite-lived intangible assets, Cumulative Impairment         (406)  
Indefinite-lived intangible assets          
Ultra Cell LLC [Member] | Trade Names [Member]            
Finite-Lived Intangible Assets [Line Items]            
Indefinite-lived intangible assets, gross carrying amount         406  
Total indefinite-lived intangible assets, Cumulative Impairment         (406)  
Indefinite-lived intangible assets          
Computer Software, Intangible Asset [Member]            
Finite-Lived Intangible Assets [Line Items]            
Gross Carrying Amount 300   300   233 250
Accumulated Amortization (201)   (201)   (154) (165)
Cumulative Impairment    
Net Carrying Amount 99   99   79 $ 85
Indefinite-lived intangible assets $ 0 $ 0 $ 24 $ 0    
Patents [Member]            
Finite-Lived Intangible Assets [Line Items]            
Gross Carrying Amount         21,221  
Accumulated Amortization         (3,247)  
Cumulative Impairment         (17,974)  
Net Carrying Amount          
In Process Research and Development [Member]            
Finite-Lived Intangible Assets [Line Items]            
Gross Carrying Amount         2,612  
Accumulated Amortization         (1,017)  
Cumulative Impairment         (1,595)  
Net Carrying Amount          
Order or Production Backlog [Member]            
Finite-Lived Intangible Assets [Line Items]            
Gross Carrying Amount         266  
Accumulated Amortization         (266)  
Cumulative Impairment          
Net Carrying Amount