Note 19 — Selected Quarterly Financial Information (unaudited)

The following table presents selected unaudited financial data for each fiscal quarter of 2018 and 2017. Although unaudited, this information has been prepared on a basis consistent with the Company’s audited Consolidated Financial Statements and, in the opinion of management, reflects all adjustments (consisting only of normal recurring adjustments) that are considered necessary for a fair presentation of this information in accordance with GAAP. Such quarterly results are not necessarily indicative of future results of operations.


	Fiscal 2018								Fiscal 2017
	Q1		Q2		Q3		Q4		Q1		Q2		Q3		Q4
	(in thousands, except per share amounts)
Net sales	$	158,574	$	157,779	$	126,757	$	98,972	$	94,499	$	112,218	$	129,308	$	139,661
Gross profit		56,680		55,395		46,385		35,259		34,500		35,847		50,529		55,352
Net income (loss)		(15,827)		(237,634)		(8,953)		(144,674)		1,640		(20,817)		(23,740)		(8,479)
Basic income (loss) per common share		(0.34)		(5.02)		(0.19)		(3.11)		0.04		(0.49)		(0.51)		(0.18)
Diluted income (loss) per common share		(0.34)		(5.02)		(0.19)		(3.11)		0.04		(0.49)		(0.51)		(0.18)

Acquisition of Ultratech

During the second quarter of 2017, the Company acquired Ultratech. The results of operations of Ultratech have been included in the consolidated financial statements since the date of acquisition. Refer to Note 5, “Business Combinations,” for additional information.

Asset Impairments

During the second quarter of 2018, the Company recorded non-cash impairment charges related to the Ultratech asset group of $216.4 million and $35.9 million for definite-lived intangible assets and in-process research and development assets, respectively. Additionally, during the fourth quarter of 2018, the Company recorded a non-cash goodwill impairment charge of $122.8 million. Refer to Note 6, “Goodwill and Intangible Assets,” for additional information.