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Summary of Unaudited Quarterly Results of Operations Summary of Unaudited Quarterly Results of Operations (Tables) | 12 Months Ended
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Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract] |
Summary of unaudited quarterly results | Unaudited quarterly results of operations for the years ended December 31, 2015 and 2014 are summarized below:
| (Dollars in thousands, except per share data)
| 2015 Quarter Ended
| Dec. 31 |  | Sep. 30 |  | Jun. 30 |  | Mar. 31
Net sales | $ | 64,961 |  |  | $ | 70,243 |  |  | $ | 70,726 |  |  | $ | 69,904 |
Gross profit | 39,091 |  |  | 43,342 |  |  | 43,808 |  |  | 42,883 |
Income (loss) from continuing operations (1) | $ | (3,688 | ) |  | $ | 2,430 |  |  | $ | 2,926 |  |  | $ | (1,371 | )
Income from discontinued operations | — |  |  | — |  |  | — |  |  | — |
Net income (loss) | $ | (3,688 | ) |  | $ | 2,430 |  |  | $ | 2,926 |  |  | $ | (1,371 | )
Basic income (loss) per share of common stock: |  |  |  |  |  |  |
Continuing operations | $ | (0.42 | ) |  | $ | 0.28 |  |  | $ | 0.34 |  |  | $ | (0.16 | )
Discontinued operations | — |  |  | — |  |  | — |  |  | — |
Net income (loss) | $ | (0.42 | ) |  | $ | 0.28 |  |  | $ | 0.34 |  |  | $ | (0.16 | )
Diluted income (loss) per share of common stock: |  |  |  |  |  |  |
Continuing operations (2) | $ | (0.42 | ) |  | $ | 0.27 |  |  | $ | 0.33 |  |  | $ | (0.16 | )
Discontinued operations | — |  |  | — |  |  | — |  |  | — |
Net income (loss) (2) | $ | (0.42 | ) |  | $ | 0.27 |  |  | $ | 0.33 |  |  | $ | (0.16 | )
| (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 (3) | $ | (2,997 | ) |  | $ | 460 |  |  | $ | 798 |  |  | $ | (4,322 | )
Income and gain 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 | )
(1) | Loss from continuing operations for the three months ended December 31, 2015 includes an expense of $0.9 million related to an increase in the estimated future remediation cost of an environmental matter involving land owned in Decatur, Alabama, that was part of a division that was previously sold.
(2) | The sum of the quarterly earnings per share amounts may 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 March 31, 2014 includes a $2.9 million impairment charge related to the Reno, Nevada distribution center.

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- Definition Tabular disclosure of the quarterly financial data in the annual financial statements. The disclosure includes financial information for each fiscal quarter for the current and previous year, including revenues, gross profit, income (loss) before extraordinary items and 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=51825399&loc=d3e1280-108306 + Details
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