Revenue and Accounts Receivable, Net (Tables)

9 Months Ended

Sep. 30, 2020

Receivables [Abstract]

Pattern of Revenue Recognition

The pattern of revenue recognition was as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands)	2020		2019		2020		2019
Goods and services transferred at a point in time	$	127,657	$	152,453	$	365,902	$	429,461
Goods and services transferred over time	25,848		48,271		92,514		149,322
Net sales	$	153,505	$	200,724	$	458,416	$	578,783

Revenue from External Customers by Geographic Areas

Our net sales to external customers by geographic area were as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
(In thousands)	2020		2019		2020		2019
United States	$	64,367	$	107,546	$	203,981	$	313,029
Asia (excluding PRC)	27,923		29,613		86,043		79,157
Europe	26,119		23,388		72,625		69,510
People's Republic of China	25,625		23,704		63,653		66,465
Latin America	4,546		8,281		12,652		26,187
Other	4,925		8,192		19,462		24,435
Total net sales	$	153,505	$	200,724	$	458,416	$	578,783

Net Sales to Significant Customers

Net sales to the following customers totaled more than 10% of our net sales:

	Three Months Ended September 30,
	2020						2019
	$ (thousands)			% of Net Sales			$ (thousands)			% of Net Sales
Comcast Corporation	$	32,533		21.2	%		$	30,419		15.2	%
Sony Corporation	$	15,927		10.4	%		—		(1)	—		(1)
Ring L.L.C.	—		(1)	—		(1)	$	21,050		10.5	%

	Nine Months Ended September 30,
	2020				2019
	$ (thousands)		% of Net Sales		$ (thousands)		% of Net Sales
Comcast Corporation	$	95,014	20.7	%	$	91,058	15.7	%

(1)Net sales to this customer did not total more than 10% of our total net sales in the indicated period.

Accounts Receivable, Net and Changes in the Allowance for Doubtful Accounts

Accounts receivable, net were as follows:

(In thousands)	September 30, 2020		December 31, 2019
Trade receivables, gross	$	122,882	$	130,888
Allowance for bad debts	(1,797)		(1,492)
Allowance for sales returns	(618)		(623)
Net trade receivables	120,467		128,773
Other	7,627		10,425
Accounts receivable, net	$	128,094	$	139,198

Changes in the allowance for bad debts were as follows:

(In thousands)	Nine Months Ended September 30,
	2020		2019
Balance at beginning of period	$	1,492	$	1,121
Additions to costs and expenses	271		275
Write-offs/Foreign exchange effects	34		(104)
Balance at end of period	$	1,797	$	1,292

Trade Receivables Associated with Significant Customers

Trade receivables associated with these significant customers that totaled more than 10% of our accounts receivable, net were as follows:

	September 30, 2020						December 31, 2019
	$ (thousands)			% of Accounts Receivable, Net			$ (thousands)			% of Accounts Receivable, Net
Comcast Corporation	$	25,390		19.8	%		—		(1)	—		(1)
DISH Network Corporation	—		(1)	—		(1)	$	14,677		10.5	%

(1)Trade receivables associated with this customer did not total more than 10% of our accounts receivable, net at the dates set forth.