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Summary of Unaudited Quarterly Results of Operations Summary of Unaudited Quarterly Results of Operations (Tables)
 12 Months Ended
Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]  
Summary of unaudited quarterly results
Unaudited quarterly results of operations for the years ended December 31, 2014 and 2013 are summarized below:
 
(Dollars in thousands, except per share data)
 
2014 Quarter Ended
 
Dec. 31
 
Sep. 30
 
Jun. 30
 
Mar. 31
Net sales
$
70,281

 
$
74,128

 
$
72,080

 
$
69,204

Gross profit
42,935

 
44,533

 
43,803

 
41,278

 
 
 
 
 
 
 
 
Income (loss) from continuing operations (1)
$
(2,997
)
 
$
460

 
$
798

 
$
(4,322
)
Income from discontinued operations
325

 
—

 
—

 
1,367

Net income (loss)
$
(2,672
)
 
$
460

 
$
798

 
$
(2,955
)
 
 
 
 
 
 
 
 
Basic and diluted income (loss) per share of common stock:
 
 
 
 
 
 
 
Continuing operations
$
(0.34
)
 
$
0.05

 
$
0.09

 
$
(0.50
)
Discontinued operations (2)
0.03

 
—

 
—

 
0.16

Net income (loss) (2)
$
(0.31
)
 
$
0.05

 
$
0.09

 
$
(0.34
)
 
 
 
 
 
 
 
 
 
2013 Quarter Ended
 
Dec. 31
 
Sep. 30
 
Jun. 30
 
Mar. 31
Net sales
$
65,738

 
$
68,235

 
$
68,317

 
$
67,213

Gross profit
39,627

 
41,220

 
40,634

 
39,814

 
 
 
 
 
 
 
 
Income (loss) from continuing operations (3)
$
(3,569
)
 
$
183

 
$
9

 
$
(3,604
)
Income from discontinued operations
674

 
418

 
388

 
381

Net income (loss)
$
(2,895
)
 
$
601

 
$
397

 
$
(3,223
)
 
 
 
 
 
 
 
 
Basic and diluted income (loss) per share of common stock:
 
 
 
 
 
 
 
Continuing operations
$
(0.41
)
 
$
0.02

 
$
—

 
$
(0.42
)
Discontinued operations (2)
0.08

 
0.05

 
0.05

 
0.05

Net income (loss) (2)
$
(0.33
)
 
$
0.07

 
$
0.05

 
$
(0.37
)

(1)
Loss from continuing operations for the three months ended March 31, 2014 includes a $2.9 million impairment charge related to the Reno, Nevada distribution center.

(2)
The sum of the quarterly earnings per share amounts do not equal the total annual earnings per share due to rounding and the uneven timing of earnings throughout the year compared to the weighted average shares outstanding.

(3)
Loss from continuing operations for the three months ended December 31, 2013 includes a $2.9 million loss related to a sub-lease transaction.