Accounts Receivable, Net and Revenue Concentrations (Tables)

3 Months Ended

Mar. 31, 2016

Receivables [Abstract]

Schedule of Accounts Receivable

Accounts receivable, net were as follows:

(In thousands)	March 31, 2016			December 31, 2015
Trade receivables, gross	$	108,831		$	119,090
Allowance for doubtful accounts	(799		)	(822		)
Allowance for sales returns	(424		)	(507		)
Net trade receivables	107,608			117,761
Other	3,384			4,040
Accounts receivable, net	$	110,992		$	121,801

Allowance for Doubtful Accounts

Changes in the allowance for doubtful accounts were as follows:

(In thousands)	Three Months Ended March 31,
	2016			2015
Balance at beginning of period	$	822		$	616
Additions (reductions) to costs and expenses	(40		)	2
(Write-offs)/Foreign exchange effects	17			(18		)
Balance at end of period	$	799		$	600

Schedule of Significant Customers to Net Sales

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

	Three Months Ended March 31,
	2016				2015
	$ (thousands)		% of Net Sales		$ (thousands)		% of Net Sales
Comcast Corporation	$	39,609	26.3	%	$	15,577	11.7	%
DIRECTV	16,819		11.2		17,365		13.1

Schedule of Significant Customers to Accounts Receivable

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

	March 31, 2016			December 31, 2015
	$ (thousands)	% of Net Sales		$ (thousands)		% of Net Sales
Comcast Corporation	27,126	24.4	%	29,404		24.1	%
DIRECTV	12,769	11.5	%	—	(1)	—	%	(1)

⁽¹⁾ Trade receivables associated with this customer did not total more than 10% of our accounts receivable, net at December 31, 2015.