v3.26.1
Significant Accounting Policies - Going Concern (Details) - Forge Nano, Inc. - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Significant Accounting Policies        
Substantial doubt     true  
Net losses $ 32,550 $ 21,922 $ 43,174 $ 26,984
Cash flows from operations 16,621 $ 14,333 34,346 $ 23,772
Accumulated deficit 161,638   129,088  
Cash and cash equivalents $ 28,591   $ 9,061