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Quarterly Data (Tables) | 12 Months Ended
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Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Data |
2015 |  | First |  | Second |  | Third |  | Fourth |  | Total
Net sales |  | $ | 22,837 |  |  | $ | 33,954 |  |  | $ | 29,903 |  |  | $ | 23,118 |  |  | $ | 109,812 |
Cost of goods sold |  |  | 14,402 |  |  |  | 21,419 |  |  |  | 19,578 |  |  |  | 14,852 |  |  |  | 70,251 |
Net income |  |  | 436 |  |  |  | 2,710 |  |  |  | 1,208 |  |  |  | 440 |  |  |  | 4,794 |
Basic earnings per share |  | $ | 0.13 |  |  | $ | 0.82 |  |  | $ | 0.36 |  |  | $ | 0.12 |  |  | $ | 1.44 |
Diluted earnings per share |  | $ | 0.12 |  |  | $ | 0.74 |  |  | $ | 0.33 |  |  | $ | 0.11 |  |  | $ | 1.30 |
Dividends per share |  | $ | 0.09 |  |  | $ | 0.09 |  |  | $ | 0.09 |  |  | $ | 0.10 |  |  | $ | 0.37 |
2014 |  |  | First |  |  |  | Second |  |  |  | Third |  |  |  | Fourth |  |  |  | Total |
Net sales |  | $ | 19,152 |  |  | $ | 33,396 |  |  | $ | 30,008 |  |  | $ | 24,666 |  |  | $ | 107,222 |
Cost of goods sold |  |  | 12,275 |  |  |  | 21,675 |  |  |  | 19,393 |  |  |  | 15,694 |  |  |  | 69,037 |
Net income |  |  | 368 |  |  |  | 2,543 |  |  |  | 1,189 |  |  |  | 689 |  |  |  | 4,789 |
Basic earnings per share |  | $ | 0.12 |  |  | $ | 0.79 |  |  | $ | 0.37 |  |  | $ | 0.21 |  |  | $ | 1.48 |
Diluted earnings per share |  | $ | 0.11 |  |  | $ | 0.72 |  |  | $ | 0.34 |  |  | $ | 0.19 |  |  | $ | 1.36 |
Dividends per share |  | $ | 0.08 |  |  | $ | 0.08 |  |  | $ | 0.09 |  |  | $ | 0.09 |  |  | $ | 0.34 |

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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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