Revenues

9 Months Ended

Sep. 30, 2024

Revenue from Contract with Customer [Abstract]

Revenues

5. Revenues

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 September 30, 2024
	Brick Products		Advanced Products		Total
United States	$	24,943	$	22,579	$	47,522
Europe		7,906		3,044		10,950
Asia Pacific		10,777		23,433		34,210
All other		138		346		484
	$	43,764	$	49,402	$	93,166

	Nine Months Ended September 30, 2024
	Brick Products		Advanced Products		Total
United States	$	71,348	$	72,996	$	144,344
Europe		21,322		10,474		31,796
Asia Pacific		30,265		55,087		85,352
All other		907		493		1,400
	$	123,842	$	139,050	$	262,892

	Three Months Ended September 30, 2023
	Brick Products		Advanced Products		Total
United States	$	21,279	$	18,889	$	40,168
Europe		10,392		5,808		16,200
Asia Pacific		17,024		33,623		50,647
All other		737		92		829
	$	49,432	$	58,412	$	107,844

	Nine Months Ended September 30, 2023
	Brick Products		Advanced Products		Total
United States	$	60,764	$	48,426	$	109,190
Europe		24,893		15,869		40,762
Asia Pacific		46,998		112,686		159,684
All other		2,536		235		2,771
	$	135,191	$	177,216	$	312,407

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

	Three Months Ended September 30, 2024
	Brick Products		Advanced Products			Total
Direct customers, contract manufacturers and    non-stocking distributors	$	25,854	$	29,405		$	55,259
Stocking distributors, net of sales allowances		17,724		6,367			24,091
Non-recurring engineering		186		(100	)		86
Royalties		—		13,370			13,370
Other		—		360			360
	$	43,764	$	49,402		$	93,166

	Nine Months Ended September 30, 2024
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	66,902	$	78,758	$	145,660
Stocking distributors, net of sales allowances		56,289		24,368		80,657
Non-recurring engineering		651		4,023		4,674
Royalties		—		30,821		30,821
Other		—		1,080		1,080
	$	123,842	$	139,050	$	262,892

	Three Months Ended September 30, 2023
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	27,748	$	37,384	$	65,132
Stocking distributors, net of sales allowances		21,461		9,673		31,134
Non-recurring engineering		223		6,726		6,949
Royalties		—		4,269		4,269
Other		—		360		360
	$	49,432	$	58,412	$	107,844

	Nine Months Ended September 30, 2023
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	82,669	$	134,953	$	217,622
Stocking distributors, net of sales allowances		51,536		21,070		72,606
Non-recurring engineering		986		11,650		12,636
Royalties		—		8,745		8,745
Other		—		798		798
	$	135,191	$	177,216	$	312,407

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

	September 30, 2024			December 31, 2023			Change
Short-term deferred revenue and customer prepayments	$	(4,198	)	$	(3,157	)	$	(1,041	)
Long-term deferred revenue		—			(1,020	)		1,020
Sales allowances		(2,640	)		(3,482	)		842

The Company records deferred revenue, which represents a contract liability, when cash payments are received or due in advance of performance under a contract with a customer. The Company recognized revenue of approximately $360,000 and $1,080,000 for the three and nine months ended September 30, 2024, respectively, and $3,711,000 and $7,486,000 for the three and nine months ended September 30, 2023 that was included in deferred revenue at the beginning of the respective period.