Revenues (Tables)

6 Months Ended

Jun. 30, 2020

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, 2020
	Brick Products		Advanced Products		Total
United States	$	15,005	$	5,217	$	20,222
Europe		9,427		2,289		11,716
Asia Pacific		21,383		16,774		38,157
All other		613		53		666
	$	46,428	$	24,333	$	70,761
	Six Months Ended June 30, 2020
	Brick Products		Advanced Products		Total
United States	$	40,975	$	12,814	$	53,789
Europe		13,995		3,168		17,163
Asia Pacific		35,039		26,150		61,189
All other		1,936		85		2,021
	$	91,945	$	42,217	$	134,162
	Three Months Ended June 30, 2019
	Brick Products		Advanced Products		Total
United States	$	25,732	$	5,323	$	31,055
Europe		6,374		1,642		8,016
Asia Pacific		15,287		7,843		23,130
All other		612		542		1,154
	$	48,005	$	15,350	$	63,355
	Six Months Ended June 30, 2019
	Brick Products		Advanced Products		Total
United States	$	48,024	$	12,272	$	60,296
Europe		12,383		2,628		15,011
Asia Pacific		32,398		18,743		51,141
All other		1,825		807		2,632
	$	94,630	$	34,450	$	129,080

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, 2020
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and non-stocking distributors	$	39,472	$	20,044	$	59,516
Stocking distributors, net of sales allowances		6,814		1,576		8,390
Non-recurring engineering		142		2,695		2,837
Other		—		18		18
	$	46,428	$	24,333	$	70,761
	Six Months Ended June 30, 2020
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and non-stocking distributors	$	75,211	$	34,811	$	110,022
Stocking distributors, net of sales allowances		16,436		4,638		21,074
Non-recurring engineering		298		2,732		3,030
Other		—		36		36
	$	91,945	$	42,217	$	134,162
	Three Months Ended June 30, 2019
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and non-stocking distributors	$	40,843	$	12,184	$	53,027
Stocking distributors, net of sales allowances		7,111		2,918		10,029
Non-recurring engineering		51		230		281
Royalties		—		—		—
Other		—		18		18
	$	48,005	$	15,350	$	63,355

	Six Months Ended June 30, 2019
	Brick Products		Advanced Products		Total
Direct customers, contract manufacturers and non-stocking distributors	$	80,791	$	26,950	$	107,741
Stocking distributors, net of sales allowances		13,228		6,083		19,311
Non-recurring engineering		599		1,355		1,954
Royalties		12		24		36
Other		—		38		38
	$	94,630	$	34,450	$	129,080

Summary of Changes in Contract Assets And Liabilities

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

	June 30, 2020			December 31, 2019			Change
Accounts receivable	$	48,502		$	38,115		$	10,387
Short-term deferred revenue and customer prepayments		(7,817	)		(5,507	)		(2,310	)
Long-term deferred revenue		(894	)		(1,054	)		160
Deferred expenses		1,552			1,897			(345	)
Sales allowances		(867	)		(741	)		(126	)