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The Company and Summary of Significant Accounting Policies - The Company (Details)	12 Months Ended
	Dec. 31, 2024 segment item
The Company and Summary of Significant Accounting Policies
Number of product lines | segment	2
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The Company and Summary of Significant Accounting Policies
Temperature in C	500
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The Company and Summary of Significant Accounting Policies
Temperature in C	1,500
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Specialty Material Substrates
The Company and Summary of Significant Accounting Policies
Revenue by product line (as a percent)	68.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Raw Materials
The Company and Summary of Significant Accounting Policies
Revenue by product line (as a percent)	32.00%

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