Revenues (Tables)

12 Months Ended

Dec. 31, 2021

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):    

	Year Ended December 31, 2021
	Brick   Products		Advanced   Products		Total
United States	$	74,280	$	44,360	$	118,640
Europe		32,762		5,145		37,907
Asia Pacific		80,344		120,459		200,803
All other		1,758		256		2,014
	$	189,144	$	170,220	$	359,364

	Year Ended December 31, 2020
	Brick   Products		Advanced   Products		Total
United States	$	80,065	$	25,493	$	105,558
Europe		23,491		6,641		30,132
Asia Pacific		83,985		73,899		157,884
All other		2,715		287		3,002
	$	190,256	$	106,320	$	296,576

	Year Ended December 31, 2019
	Brick   Products		Advanced   Products		Total
United States	$	98,822	$	22,806	$	121,628
Europe		22,172		5,090		27,262
Asia Pacific		62,720		46,107		108,827
All other		4,182		1,078		5,260
	$	187,896	$	75,081	$	262,977

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):    

	Year Ended December 31, 2021
	Brick   Products		Advanced   Products		Total
Direct customers, contract manufacturers and non-stocking distributors	$	139,099	$	144,180	$	283,279
Stocking distributors, net of sales allowances		49,359		14,123		63,482
Non-recurring engineering		686		10,027		10,713
Royalties		—		1,819		1,819
Other		—		71		71
	$	189,144	$	170,220	$	359,364

	Year Ended December 31, 2020
	Brick   Products		Advanced   Products		Total
Direct customers, contract manufacturers and non-stocking distributors	$	160,004	$	91,405	$	251,409
Stocking distributors, net of sales allowances		29,411		8,510		37,921
Non-recurring engineering		841		6,181		7,022
Royalties		—		152		152
Other		—		72		72
	$	190,256	$	106,320	$	296,576

	Year Ended December 31, 2019
	Brick   Products		Advanced   Products		Total
Direct customers, contract manufacturers and non-stocking distributors	$	159,135	$	63,567	$	222,702
Stocking distributors, net of sales allowances		27,797		9,802		37,599
Non-recurring engineering		843		1,614		2,457
Royalties		121		24		145
Other		—		74		74
	$	187,896	$	75,081	$	262,977

Summary of Changes in Contract Assets And Liabilities

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

	December 31, 2021			December 31, 2020			Change
Short-term deferred revenue and customer prepayments	$	(7,912	)	$	(7,309	)	$	(603	)
Long-term deferred revenue		(413	)		(733	)		320
Deferred expenses		560			1,650			(1,090	)
Sales allowances		(1,464	)		(597	)		(867	)

Schedule of Net Revenues from Unaffiliated Customers by Geographic Region Based on the Location of the Customer

Net revenues from unaffiliated customers by geographic region, based on the location of the customer, for the years ended December 31 were as follows (in thousands):

	2021		2020		2019
United States	$	118,640	$	105,558	$	121,628
Europe		37,907		30,132		27,262
Asia Pacific		200,803		157,884		108,827
All other		2,014		3,002		5,260
	$	359,364	$	296,576	$	262,977