Quarterly Results of Operations (unaudited) (Tables)

12 Months Ended

Dec. 31, 2014

Quarterly Results of Operations (unaudited)

Schedule of quarterly results of operations

	Dec. 31, 2014(1)		Sept. 30, 2014(2)			June 30, 2014(3)			March 31, 2014(4)		Dec. 31, 2013(5)		Sept. 30, 2013(6)			June 30, 2013(7)			March 31, 2013(8)
	(in thousands, except per share data)
Revenue	$	62,530	$	38,531		$	41,150		$	60,840	$	58,574	$	48,831		$	47,501		$	40,726
Gross profit		18,796		15,144			14,484			21,740		21,280		16,976			16,737			12,943
Net income (loss)		164		(4,704	)		(6,900	)		174		614		(4,750	)		(4,019	)		(8,988	)
Net income (loss) per share basic and diluted	$	0.00	$	(0.04	)	$	(0.06	)	$	0.00	$	0.01	$	(0.04	)	$	(0.04	)	$	(0.08	)

(1)	Net income includes a $0.8 million charge to inventory reserves.
(2)	Net loss includes a $0.8 million charge to inventory reserves and a $2.3 million restructuring charge.
(3)	Net loss includes a $0.2 million charge to inventory reserves and a $0.1 million restructuring charge.
(4)	Net income includes a $0.2 million restructuring charge.
(5)	Net income includes $0.4 million of income related to the expiration of an uncertain tax position in a foreign jurisdiction.
(6)	Net loss includes $0.4 million related to the write off of certain deferred tax assets in foreign jurisdictions.
(7)	Net loss includes $0.4 million in restructuring charges, and $0.8 million from the gain on sale of dry strip assets and intellectual property.
(8)	Gross profit and net loss includes a $2.1 million charge to excess and obsolete inventory. Net loss includes $1.8 million in restructuring charges, and $0.4 million from the gain on sale of dry strip assets and intellectual property.