Quarterly Results of Operations (unaudited) (Tables)

12 Months Ended

Dec. 31, 2013

	Dec. 31, 2013(1)		Sept. 30, 2013(2)			June 30, 2013(3)			March 31, 2013(4)			Dec. 31, 2012(5)			Sept. 30, 2012(6)			June 30, 2012(7)			March 31, 2012(8)

	(in thousands, except per share data)
Revenue	$	58,574	$	48,831		$	47,501		$	40,726		$	44,624		$	44,640		$	59,114		$	55,007
Gross profit		21,280		16,976			16,737			12,943			480			14,367			22,788			20,536
Net income (loss)		614		(4,750	)		(4,019	)		(8,988	)		(14,818	)		(8,718	)		(471	)		(10,027	)
Net income (loss) per share basic and diluted	$	0.01	$	(0.04	)	$	(0.04	)	$	(0.08	)	$	(0.14	)	$	(0.08	)	$	(0.00	)	$	(0.09	)

(1): Net income includes $0.4 million of income related to the expiration of an uncertain tax position in a foreign jurisdiction.
(2): Net loss includes $0.4 million related to the write off of certain deferred tax assets in foreign jurisdictions.
(3): 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.
(4): 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.
(5): Gross profit and net loss includes a $13.4 million provision for excess inventory related to the Company's comprehensive review of its worldwide inventory levels. Net loss includes a $7.9 million gain on sale of the Company's dry strip assets and intellectual property to Lam Research; restructuring charges of $0.6 million; and a $2.1 million one-time marketing expense associated with the Company's evaluation programs.
(6): Net loss includes restructuring charges of $0.6 million.
(7): Net loss includes restructuring charges of $0.1 million and a tax expense of $0.8 million related to an uncertain tax position in a certain foreign jurisdiction.
(8): Net loss includes restructuring charges of $2.9 million