Unaudited Quarterly Financial Information

12 Months Ended

Dec. 31, 2013

Quarterly Financial Information Disclosure [Abstract]

Unaudited Quarterly Results of Operations

Unaudited Quarterly Financial Information

	Quarter Ended
	March 31				June 30			September 30			December 31
	(in thousands except per share data)
Year Ended December 31, 2013
Operating:
Total revenue	$	47,748			$	55,610		$	51,197		$	38,979
Gross profit	18,230				21,576			21,113			14,374
Net income (loss)	(278		)	(a)	3,405		(b)	6,027		(c)	(2,814		)	(d)
Basic and diluted net income (loss) per share	$	(0.01	)		$	0.12		$	0.21		$	(0.10	)
	Quarter Ended
	March 31				June 30			September 30			December 31
	(in thousands except per share data)
Year Ended December 31, 2012
Operating:
Total revenue	$	35,804			$	36,238		$	42,713		$	44,503
Gross profit	15,157				14,524			18,142			17,229
Net income (loss)	(952		)	(e)	31		(f)	5,228		(g)	2,867			(h)
Basic and diluted net income (loss) per share	$	(0.03	)		$	—		$	0.18		$	0.10

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(a) Includes a non-cash expense for stock-based compensation of $1.0 million.

(b) Includes a non-cash expense for stock-based compensation of $946,000.

(c) Includes a non-cash expense for stock-based compensation of $719,000.

(d) Includes a non-cash expense for stock-based compensation of $1.4 million.

(e) Includes a non-cash expense for stock-based compensation of $1.3 million.

(f) Includes a non-cash expense for stock-based compensation of $770,000.

(g) Includes a non-cash expense for stock-based compensation of $505,000.

(h) Includes a non-cash expense for stock-based compensation of $527,000.