Revenues (Tables)

3 Months Ended

Mar. 31, 2024

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 March 31, 2024
	Brick Products		Advanced Products		Total
United States	$	20,974	$	27,186	$	48,160
Europe		6,857		3,999		10,856
Asia Pacific		12,268		12,052		24,320
All other		493		43		536
	$	40,592	$	43,280	$	83,872

	Three Months Ended March 31, 2023
	Brick Products		Advanced Products		Total
United States	$	21,256	$	13,710	$	34,966
Europe		7,546		4,027		11,573
Asia Pacific		16,847		33,444		50,291
All other		876		110		986
	$	46,525	$	51,291	$	97,816

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 March 31, 2024
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	20,810	$	21,640	$	42,450
Stocking distributors, net of sales allowances		19,407		9,632		29,039
Non-recurring engineering		375		3,468		3,843
Royalties		—		8,180		8,180
Other		—		360		360
	$	40,592	$	43,280	$	83,872

	Three Months Ended March 31, 2023
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	30,486	$	42,013	$	72,499
Stocking distributors, net of sales allowances		15,737		5,052		20,789
Non-recurring engineering		302		2,128		2,430
Royalties		—		2,020		2,020
Other		—		78		78
	$	46,525	$	51,291	$	97,816

Summary of Changes in Contract Liabilities

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

	March 31, 2024			December 31, 2023			Change
Short-term deferred revenue and customer prepayments	$	(2,684	)	$	(3,157	)	$	473
Long-term deferred revenue		(660	)		(1,020	)		360
Sales allowances		(3,130	)		(3,482	)		352