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Summary of quarterly financial data (unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

Summary of quarterly financial data (unaudited)

Summary of quarterly financial data (unaudited)

​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
		2017								2016
		March 31		June 30		September 30		December 31		March 31		June 30		September 30		December 31
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
		(dollars in thousands, except per share amounts)
As Reported:
Net Sales		104,739		116,314		137,245		192,473		95,576		115,365		111,590		115,432
Gross profit		1,085		9,679		16,561		60,598		(12,975	)	(8,405	)	(6,910	)	(737	)
Research and development		829		943		1,338		(159	)	651		786		526		436
Selling and administrative expenses		11,683		12,195		13,322		12,279		13,794		13,423		12,215		18,352
Other expense (income), net		3,067		1,186		(643	)	(1,976	)	237		(1,198	)	(567	)	(660	)
Net income (loss)		(26,344	)	(17,383	)	(3,919	)	55,629		(36,375	)	(128,399	)	(22,967	)	(48,102	)
Net income (loss) per share		(0.09	)	(0.06	)	(0.01	)	0.18		(0.12	)	(0.42	)	(0.08	)	(0.16	)
Effect of Change:
Net Sales		—		—		—		—		—		—		—		—
Gross profit		201		201		201		(809	)	337		337		337		(2,223	)
Research and development		(8	)	(10	)	(9	)	532		(26	)	(26	)	(26	)	213
Selling and administrative expenses		(28	)	(26	)	(28	)	3,109		(97	)	(97	)	(100	)	1,025
Other expense (income), net		237		237		238		(4,450	)	460		460		463		(3,461	)
Net income (loss)		—		—		—		—		—		—		—		—
Net income (loss) per share		—		—		—		—		—		—		—		—
Revised:
Net Sales		104,739		116,314		137,245		192,473		95,576		115,365		111,590		115,432
Gross profit		1,286		9,880		16,762		59,789		(12,638	)	(8,068	)	(6,573	)	(2,960	)
Research and development		821		933		1,329		373		625		760		500		649
Selling and administrative expenses		11,655		12,169		13,294		15,388		13,697		13,326		12,115		19,377
Other expense (income), net		3,304		1,423		(405	)	(6,426	)	697		(738	)	(104	)	(4,121	)
​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​	​
Net income (loss)		(26,344	)	(17,383	)	(3,919	)	55,629		(36,375	)	(128,399	)	(22,967	)	(48,102	)
Net income (loss) per share		(0.09	)	(0.06	)	(0.01	)	0.18		(0.12	)	(0.42	)	(0.08	)	(0.16	)

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- References

No definition available.

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- Definition

Tabular disclosure of quarterly financial data. Includes, but is not limited to, financial information for fiscal quarters, cumulative effect of a change in accounting principle and earnings per share data.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)-(j)
-URI http://asc.fasb.org/extlink&oid=84173487&loc=d3e1280-108306

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