Accounts Receivable, net (Tables)

12 Months Ended

Dec. 31, 2014

Accounts Receivable, net

Schedule of components of accounts receivable

	December 31,
	2014			2013
	(in thousands)
Trade receivables	$	43,184		$	36,991
Allowance for doubtful accounts		(390	)		(404	)
	$	42,794		$	36,587