v3.26.1
Segment Reporting - Schedule of Reconciliation of segment revenues and profit or loss to the consolidated financial statements (Details) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Segment Reporting          
Net loss $ (659) $ (37,269)      
Forge Nano, Inc.          
Segment Reporting          
Revenue   2,134,000 $ 999,000 $ 7,388,000 $ 8,299,000
Cost of sales   (3,062,000) (2,100,000) (11,245,000) (7,967,000)
Gross Loss   (928,000) (1,101,000) (3,857,000) 332,000
General and administrative   10,389,000 9,536,000 40,788,000 27,474,000
Operating profit (loss)       (44,645,000) (27,142,000)
Interest income   65,000 90,000 637,000 1,053,000
Grant income   976,000 1,053,000 7,062,000 2,306,000
Other income   37,000 5,000 865,000 263,000
Interest expense, change in fair value, and amortization of debt discount   (1,422,000) (4,362,000) (6,515,000) (3,439,000)
Other expense   (15,000) (132,000) (578,000) (25,000)
Total other income   (359,000) (3,346,000) 1,471,000 158,000
Net loss   (11,676,000) (13,983,000) (43,174,000) (26,984,000)
Forge Nano, Inc. | Corporate          
Segment Reporting          
General and administrative       35,969,000  
Operating profit (loss)       (35,969,000)  
Net loss       (34,498,000)  
Forge Nano, Inc. | Tool manufacturing and related services          
Segment Reporting          
Revenue   1,538,000 588,000 4,625,000 6,852,000
Cost of sales   (1,770,000) (1,116,000) (6,239,000) (5,441,000)
Gross Loss   (232,000) (528,000) (1,614,000) 1,411,000
Forge Nano, Inc. | Tool manufacturing and related services | Operating Segment          
Segment Reporting          
Revenue       4,625,000  
Cost of sales       (6,239,000)  
Gross Loss       (1,614,000)  
General and administrative       1,916,000  
Operating profit (loss)       (3,530,000)  
Net loss       (3,530,000)  
Forge Nano, Inc. | Coating services          
Segment Reporting          
Revenue   283,000 231,000 1,429,000 1,332,000
Cost of sales   (1,201,000) (898,000) (3,921,000) (2,486,000)
Gross Loss   (918,000) (667,000) (2,492,000) (1,154,000)
Forge Nano, Inc. | Coating services | Operating Segment          
Segment Reporting          
Revenue       1,429,000  
Cost of sales       (3,921,000)  
Gross Loss       (2,492,000)  
General and administrative       2,123,000  
Operating profit (loss)       (4,615,000)  
Net loss       (4,615,000)  
Forge Nano, Inc. | Battery manufacturing          
Segment Reporting          
Revenue   313,000 180,000 1,334,000 115,000
Cost of sales   (91,000) (86,000) (1,085,000) (40,000)
Gross Loss   $ 222,000 $ 94,000 249,000 $ 75,000
Forge Nano, Inc. | Battery manufacturing | Operating Segment          
Segment Reporting          
Revenue       1,334,000  
Cost of sales       (1,085,000)  
Gross Loss       249,000  
General and administrative       780,000  
Operating profit (loss)       (531,000)  
Net loss       $ (531,000)