Revenues

12 Months Ended

Dec. 31, 2025

Revenue from Contract with Customer [Abstract]

Revenues

11. REVENUES

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

	Year Ended December 31, 2025
	Brick Products		Advanced Products		Total
United States	$	74,190	$	126,455	$	200,645
Europe		28,790		14,060		42,850
Asia Pacific		55,939		106,478		162,417
All other		220		1,569		1,789
	$	159,139	$	248,562	$	407,701

	Year Ended December 31, 2024
	Brick Products		Advanced Products		Total
United States	$	85,347	$	100,487	$	185,834
Europe		27,088		14,715		41,803
Asia Pacific		48,347		81,634		129,981
All other		947		493		1,440
	$	161,729	$	197,329	$	359,058

	Year Ended December 31, 2023
	Brick Products		Advanced Products		Total
United States	$	82,400	$	67,056	$	149,456
Europe		31,792		27,950		59,742
Asia Pacific		63,631		128,636		192,267
All other		3,343		251		3,594
	$	181,166	$	223,893	$	405,059

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

	Year Ended December 31, 2025
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and non-stocking    distributors	$	83,012	$	151,508	$	234,520
Stocking distributors, net of sales allowances		74,817		34,413		109,230
Non-recurring engineering		1,310		4,237		5,547
Royalties		—		57,384		57,384
Other		—		1,020		1,020
	$	159,139	$	248,562	$	407,701

	Year Ended December 31, 2024
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and non-stocking    distributors	$	88,144	$	113,359	$	201,503
Stocking distributors, net of sales allowances		72,713		31,061		103,774
Non-recurring engineering		872		4,874		5,746
Royalties		—		46,595		46,595
Other		—		1,440		1,440
	$	161,729	$	197,329	$	359,058

	Year Ended December 31, 2023
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and    non-stocking distributors	$	113,448	$	163,549	$	276,997
Stocking distributors, net of sales allowances		66,544		29,893		96,437
Non-recurring engineering		1,174		13,421		14,595
Royalties		—		15,872		15,872
Other		—		1,158		1,158
	$	181,166	$	223,893	$	405,059

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

	December 31, 2025			December 31, 2024			Change
Short-term deferred revenue and customer prepayments	$	(3,426	)	$	(5,312	)	$	1,886
Sales allowances		(3,136	)		(1,667	)		(1,469	)

During 2025, 2024, and 2023, one customer accounted for approximately 11.1%, 12.1%, and 10.7% of total net revenues, respectively.

Net revenues from customers in China (including Hong Kong), accounted for approximately 11.9% of total net revenues in 2025, 12.6% in 2024 and 17.7% in 2023, respectively.