v3.26.1
Significant Accounting Policies - Going Concern (Details) - Forge Nano, Inc. - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Significant Accounting Policies        
Substantial doubt true   true  
Net losses $ 11,676 $ 13,983 $ 43,174 $ 26,984
Cash flows from operations 6,745 $ 3,550 34,346 $ 23,772
Accumulated deficit 140,764   129,088  
Cash and cash equivalents $ 17,326   $ 9,061