v3.26.1
Accounts Receivable - Allowance activity (Details) - Forge Nano, Inc. - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Activity in the allowance for credit losses      
Balance - January 1 $ (40) $ (33) $ (52)
Additions charged to expense 7 (24) (4)
Deductions/Write-offs   17 23
Balance - December 31 $ (33) $ (40) $ (33)