v3.26.1
Convertible Debts - Series D Convertible Note (Details) - Forge Nano, Inc. - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Convertible Debts    
Interest expense $ 1,792 $ 2,034
Derivative liability - conversion feature embedded in convertible debt   $ 393
Series D Convertible Note    
Convertible Debts    
Interest rate   6.00%
Carrying amount 0 $ 1,924
Interest expense 0 17
Derivative liability - conversion feature embedded in convertible debt 393  
Threshold qualified financing amount triggering conversion of debt $ 40,000  
Stock price trigger 80.00%  
Threshold valuation cap $ 750,000  
Threshold valuation cap in the event of liquidation 750,000  
Threshold post-money valuation cap in the event of maturity $ (300,000)  
Series D Convertible Note | Maximum    
Convertible Debts    
Principal amount   $ 40,000