Accounts Receivable

6 Months Ended

Jun. 30, 2014

Receivables [Abstract]

Accounts Receivable

Accounts Receivable

Accounts receivable and the related allowance for doubtful accounts are as follows:

	June 30, 2014			December 31, 2013
	(in thousands)
Accounts receivable	$	53,080		$	39,256
Less:  Allowance for doubtful accounts	(185		)	(193		)
Total, net	$	52,895		$	39,063

	Three months ended					Six months ended
	June 30, 2014		June 30, 2013			June 30, 2014			June 30, 2013
Allowance for doubtful accounts:	(in thousands)
Balance, beginning of period	$	63	$	321		$	193		$	52
Provisions for losses on accounts receivables	115		(167		)	(15		)	102
Accounts receivable written off, net of recoveries	7		—			7			—
Balance, end of period	$	185	$	154		$	185		$	154