v3.26.1
Capital Stock (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2026
USD ($)
Vote
$ / shares
shares
Dec. 31, 2025
USD ($)
Vote
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Mar. 31, 2025
shares
Dec. 31, 2023
shares
Capital Stock          
Common stock, shares authorized (in shares) 100 100      
Common stock, par value (in dollars per share) | $ / shares $ 0.0001 $ 0.0001      
Common stock, shares issued (in shares) 100 100      
Common stock, shares outstanding (in shares) 100 100      
Common stock, number of votes per share | Vote 1 1      
Forge Nano, Inc.          
Capital Stock          
Common stock, shares authorized (in shares) 4,850,000 4,850,000 4,550,000    
Preferred stock, shares authorized (in shares) 4,663,753 4,663,753 1,931,849    
Common stock, par value (in dollars per share) | $ / shares $ 0.0001 $ 0.0001 $ 0.0001    
Preferred stock, par value per share | $ / shares $ 0.0001 $ 0.0001 $ 0.0001    
Common stock, shares issued (in shares) 1,636,378 1,648,841 1,643,081    
Common stock, shares outstanding (in shares) 1,636,378 1,648,841 1,643,081    
Preferred stock, shares issued (in shares) 2,015,673 1,925,348 1,676,528 1,868,529 1,594,215
Temporary Equity, Shares Outstanding (in shares) 2,015,673 1,925,348 1,676,528    
Common stock, number of votes per share | Vote 1 1      
Minimum issue price trigger multiple for conversion 3 3      
Minimum gross proceeds from sale of common stock for conversion | $ $ 30,000 $ 30,000      
Preferred stock, non-cumulative dividend rate 7.00% 7.00%      
Preferred stock dividends | $ $ 0 $ 0 $ 0