Accounts Receivable, net (Tables)

12 Months Ended

Dec. 31, 2012

Accounts Receivable, net

Schedule of components of accounts receivable

	December 31,
	2012			2011
	(in thousands)
Trade receivables	$	25,148		$	35,482
Allowance for doubtful accounts		(305	)		(411	)
	$	24,843		$	35,071