Revenues (Tables)

6 Months Ended

Jun. 30, 2025

Revenue from Contract with Customer [Abstract]

Summary of Net Revenues Based On Geography Location

The following tables present the Company’s net revenues disaggregated by geography based on the location of the customer, by product line (in thousands):

	Three Months Ended June 30, 2025
	Brick Products		Advanced Products		Total
United States	$	15,422	$	30,824	$	46,246
Europe		6,142		4,720		10,862
Asia Pacific		13,822		24,880		38,702
All other		94		142		236
	$	35,480	$	60,566	$	96,046

	Six Months Ended June 30, 2025
	Brick Products		Advanced Products		Total
United States	$	28,957	$	54,131	$	83,088
Europe		13,915		6,820		20,735
Asia Pacific		26,623		59,166		85,789
All other		96		306		402
	$	69,591	$	120,423	$	190,014

	Three Months Ended June 30, 2024
	Brick Products		Advanced Products		Total
United States	$	25,431	$	23,231	$	48,662
Europe		6,559		3,431		9,990
Asia Pacific		7,220		19,602		26,822
All other		276		104		380
	$	39,486	$	46,368	$	85,854

	Six Months Ended June 30, 2024
	Brick Products		Advanced Products		Total
United States	$	46,405	$	50,417	$	96,822
Europe		13,416		7,430		20,846
Asia Pacific		19,488		31,654		51,142
All other		769		147		916
	$	80,078	$	89,648	$	169,726

Summary of Net Revenues Disaggregated by Geography

The following tables present the Company’s net revenues disaggregated by the category of revenue, by product line (in thousands):

	Three Months Ended June 30, 2025
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	19,620	$	40,154	$	59,774
Stocking distributors, net of sales allowances		15,604		7,995		23,599
Non-recurring engineering		256		1,704		1,960
Royalties		—		10,353		10,353
Other		—		360		360
	$	35,480	$	60,566	$	96,046

	Six Months Ended June 30, 2025
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	37,902	$	83,642	$	121,544
Stocking distributors, net of sales allowances		30,968		11,841		42,809
Non-recurring engineering		721		3,105		3,826
Royalties		—		21,115		21,115
Other		—		720		720
	$	69,591	$	120,423	$	190,014

	Three Months Ended June 30, 2024
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	20,238	$	27,713	$	47,951
Stocking distributors, net of sales allowances		19,158		8,369		27,527
Non-recurring engineering		90		655		745
Royalties		—		9,271		9,271
Other		—		360		360
	$	39,486	$	46,368	$	85,854

	Six Months Ended June 30, 2024
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	41,048	$	49,353	$	90,401
Stocking distributors, net of sales allowances		38,565		18,001		56,566
Non-recurring engineering		465		4,123		4,588
Royalties		—		17,451		17,451
Other		—		720		720
	$	80,078	$	89,648	$	169,726

Summary of Changes in Contract Liabilities

The following table presents the changes in certain contract liabilities (in thousands):

	June 30, 2025			December 31, 2024			Change
Short-term deferred revenue and customer prepayments	$	(5,506	)	$	(5,312	)	$	(194	)
Sales allowances		(2,639	)		(1,667	)		(972	)