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Summary of Unaudited Quarterly Results of Operations (Tables) | 12 Months Ended
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Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract] |
Summary of unaudited quarterly results | Unaudited quarterly results of operations for the years ended December 31, 2012 and 2011 are summarized as follows:
| (Dollars in thousands, except per share data)
| 2012 Quarter Ended
| Dec. 31 |  | Sept. 30 |  | June 30 |  | Mar. 31
Net sales | $ | 68,193 |  |  | $ | 71,984 |  |  | $ | 74,348 |  |  | $ | 75,962 |
Gross profit | 39,672 |  |  | 43,360 |  |  | 36,816 |  |  | 41,334 |
Income (loss) from continuing operations (1) | $ | 1,524 |  |  | $ | (1,316 | ) |  | $ | (61,140 | ) |  | $ | (1,785 | )
Income (loss) from discontinued operations | 199 |  |  | (2 | ) |  | (17 | ) |  | (13 | )
Net income (loss) | $ | 1,723 |  |  | $ | (1,318 | ) |  | $ | (61,157 | ) |  | $ | (1,798 | )
Basic income (loss) per share of common stock: |  |  |  |  |  |  |
Continuing operations | $ | 0.18 |  |  | $ | (0.15 | ) |  | $ | (7.12 | ) |  | $ | (0.21 | )
Discontinued operations (2) | 0.02 |  |  | — |  |  | — |  |  | — |
Net income (loss) (2) | $ | 0.20 |  |  | $ | (0.15 | ) |  | $ | (7.12 | ) |  | $ | (0.21 | )
Diluted income (loss) per share of common stock: |  |  |  |  |  |  |
Continuing operations | $ | 0.18 |  |  | $ | (0.15 | ) |  | $ | (7.12 | ) |  | $ | (0.21 | )
Discontinued operations (2) | 0.02 |  |  | — |  |  | — |  |  | — |
Net income (loss) (2) | $ | 0.20 |  |  | $ | (0.15 | ) |  | $ | (7.12 | ) |  | $ | (0.21 | )
| 2011 Quarter Ended
| Dec. 31 |  | Sept. 30 |  | June 30 |  | Mar. 31
Net sales | $ | 72,860 |  |  | $ | 75,366 |  |  | $ | 84,154 |  |  | $ | 82,579 |
Gross profit | 38,993 |  |  | 42,546 |  |  | 48,299 |  |  | 49,939 |
Income (loss) from continuing operations (3) | $ | (5,373 | ) |  | $ | (2,154 | ) |  | $ | 1,088 |  |  | $ | 2,050 |
Loss from discontinued operations | (174 | ) |  | (9 | ) |  | (22 | ) |  | (30 | )
Net income (loss) | $ | (5,547 | ) |  | $ | (2,163 | ) |  | $ | 1,066 |  |  | $ | 2,020 |
Basic income (loss) per share of common stock: |  |  |  |  |  |  |
Continuing operations (2) | $ | (0.63 | ) |  | $ | (0.25 | ) |  | $ | 0.13 |  |  | $ | 0.24 |
Discontinued operations (2) | (0.02 | ) |  | — |  |  | (0.01 | ) |  | — |
Net income (loss) (2) | $ | (0.65 | ) |  | $ | (0.25 | ) |  | $ | 0.12 |  |  | $ | 0.24 |
Diluted income (loss) per share of common stock: |  |  |  |  |  |  |
Continuing operations (2) | $ | (0.63 | ) |  | $ | (0.25 | ) |  | $ | 0.13 |  |  | $ | 0.24 |
Discontinued operations (2) | (0.02 | ) |  | — |  |  | (0.01 | ) |  | (0.01 | )
Net income (loss) (2) | $ | (0.65 | ) |  | $ | (0.25 | ) |  | $ | 0.12 |  |  | $ | 0.23 |
(1) | Income from operations for the three month ended December 31, 2012 includes a $1.6 million gain from sale of assets. Loss from continuing operations for the three months ended June 30, 2012 includes a $28.3 million charge for goodwill impairment, a $2.1 million gain on sale of assets, $6.8 million of severance expenses and a $33.5 million increase in deferred tax asset valuation allowance.
(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 December 31, 2011 includes an $0.8 million net expense for the estimated cost of settling an employment tax matter and a net $0.8 million asset impairment charge.

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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=20225539&loc=d3e1280-108306 + Details
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