Revenues (Tables)

6 Months Ended

Jun. 30, 2023

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, 2023
	Brick Products		Advanced Products		Total
United States	$	18,229	$	15,827	$	34,056
Europe		6,955		6,034		12,989
Asia Pacific		13,127		45,619		58,746
All other		923		33		956
	$	39,234	$	67,513	$	106,747

	Six Months Ended June 30, 2023
	Brick Products		Advanced Products		Total
United States	$	39,485	$	29,537	$	69,022
Europe		14,501		10,061		24,562
Asia Pacific		29,974		79,063		109,037
All other		1,799		143		1,942
	$	85,759	$	118,804	$	204,563

	Three Months Ended June 30, 2022
	Brick Products		Advanced Products		Total
United States	$	18,668	$	12,782	$	31,450
Europe		5,041		2,229		7,270
Asia Pacific		9,846		52,550		62,396
All other		968		102		1,070
	$	34,523	$	67,663	$	102,186

	Six Months Ended June 30, 2022
	Brick Products		Advanced Products		Total
United States	$	32,729	$	23,408	$	56,137
Europe		12,083		4,997		17,080
Asia Pacific		23,367		92,045		115,412
All other		1,701		138		1,839
	$	69,880	$	120,588	$	190,468

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, 2023
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	24,435	$	55,556	$	79,991
Stocking distributors, net of sales allowances		14,338		6,345		20,683
Non-recurring engineering		461		2,796		3,257
Royalties		—		2,456		2,456
Other		—		360		360
	$	39,234	$	67,513	$	106,747

	Six Months Ended June 30, 2023
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	54,921	$	97,569	$	152,490
Stocking distributors, net of sales allowances		30,075		11,397		41,472
Non-recurring engineering		763		4,924		5,687
Royalties		—		4,476		4,476
Other		—		438		438
	$	85,759	$	118,804	$	204,563

	Three Months Ended June 30, 2022
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	23,566	$	61,979	$	85,545
Stocking distributors, net of sales allowances		10,908		3,102		14,010
Non-recurring engineering		49		1,908		1,957
Royalties		—		656		656
Other		—		18		18
	$	34,523	$	67,663	$	102,186

	Six Months Ended June 30, 2022
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	47,967	$	109,450	$	157,417
Stocking distributors, net of sales allowances		21,672		6,846		28,518
Non-recurring engineering		241		3,294		3,535
Royalties		—		962		962
Other		—		36		36
	$	69,880	$	120,588	$	190,468

Summary of Changes in Contract Assets And Liabilities

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

	June 30, 2023			December 31, 2022			Change
Short-term deferred revenue and customer prepayments	$	(6,620	)	$	(13,197	)	$	6,577
Long-term deferred revenue		(1,761	)		(145	)	$	(1,616	)
Deferred expenses		30			577		$	(547	)
Sales allowances		(2,571	)		(1,661	)	$	(910	)