Revenue Recognition - Schedule of changes in the balance of contract liabilities (Details) - Forge Nano, Inc. - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2026	Dec. 31, 2025	Dec. 31, 2024
changes in the balance of contract liabilities
Balance - Beginning of period	$ 3,126	$ 3,012	$ 2,643
Cash received	3,100	7,007	6,134
Less revenue recognized from continuing operations (net of returns, allowances, etc.) from satisfaction of performance obligations in the current period	(2,700)	(6,893)	(5,765)
Balance - End of period	$ 3,526	$ 3,126	$ 3,012

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
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-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-11

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
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-Publisher FASB
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant