v3.26.1
Earnings (Loss) Per Common Share - Computation of basic and diluted loss per share (Details) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Denominator:          
Weighted-Average Shares Outstanding, Basic (in shares) 100 100      
Weighted-Average Shares Outstanding, Diluted (in shares) 100 100      
Basic and diluted net loss per share of common stock (in dollars per share) $ (6.59) $ (372.69)      
Basic and diluted net loss per share of common stock (in dollars per share) (6.59) $ (372.69)      
Forge Nano, Inc.          
Numerator:          
Allocation of net income (loss)   $ (11,676) $ (13,983) $ (43,174) $ (26,984)
Net Loss - Diluted   $ (11,676) $ (13,983) $ (43,174) $ (26,984)
Denominator:          
Weighted-Average Shares Outstanding, Basic (in shares)   1,596,561 1,541,632 1,545,163 1,524,640
Weighted-Average Shares Outstanding, Diluted (in shares)   1,596,561 1,541,632 1,545,163 1,524,640
Basic and diluted net loss per share of common stock (in dollars per share)   $ (7.31) $ (9.07) $ (27.94) $ (17.7)
Basic and diluted net loss per share of common stock (in dollars per share)   $ (7.31) $ (9.07) $ (27.94) $ (17.7)
Forge Nano, Inc. | Penny warrants          
Denominator:          
Warrants included in basic EPS   65,430 65,430 65,430 65,430
Class of Warrant or Right, Exercise Price of Warrants or Rights $ 0.01 $ 0.01 $ 0.01 $ 0.01 $ 0.01