v3.26.1
Convertible Debts - Series D Convertible Note (Details) - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Convertible Securities        
PIPE subscription derivative liability $ 137,942,000      
Forge Nano, Inc.        
Convertible Securities        
Carrying amount 10,488,000   $ 10,488,000  
Interest expense $ 527,000 $ 989,000 1,792,000 $ 2,034,000
PIPE subscription derivative liability       $ 393,000
Forge Nano, Inc. | Series D Convertible Note        
Convertible Securities        
Interest rate       6.00%
Carrying amount     0 $ 1,924,000
Interest expense     0 17,000
PIPE subscription derivative liability     393,000  
Threshold qualified financing amount triggering conversion of debt     $ 40,000,000  
Stock price trigger     80.00%  
Threshold valuation cap     $ 750,000,000  
Threshold valuation cap in the event of liquidation     750,000,000  
Threshold post-money valuation cap in the event of maturity     $ (300,000,000)  
Forge Nano, Inc. | Series D Convertible Note | Maximum        
Convertible Securities        
Principal amount       $ 40,000,000