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Quarterly Financial Information (Unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract] |
Quarterly Financial Information | Quarterly financial information for the years ended December 31, 2019 and 2018 is presented below:
|  | Three Months Ended |  |  |  |  |  |
|  | March 31, 2019 |  | June 30, 2019 |  | September 30, 2019 |  | December 31, 2019
Net sales |  | $ | 150,469 |  |  | $ | 200,933 |  |  | $ | 154,276 |  |  | $ | 149,379 |
Gross profit |  | $ | 29,162 |  |  | $ | 37,128 |  |  | $ | 27,692 |  |  | $ | 27,390 |
Net income |  | $ | 3,690 |  |  | $ | 9,564 |  |  | $ | 3,064 |  |  | $ | 26,250 |
Basic earnings per common share |  | $ | 0.36 |  |  | $ | 0.92 |  |  | $ | 0.29 |  |  | $ | 2.52 |
Diluted earnings per common share |  | $ | 0.35 |  |  | $ | 0.90 |  |  | $ | 0.29 |  |  | $ | 2.46 |
|  | Three Months Ended |  |  |  |  |  |
|  | March 31, 2018 |  | June 30, 2018 |  | September 30, 2018 |  | December 31, 2018
Net sales |  | $ | 122,454 |  |  | $ | 172,890 |  |  | $ | 167,094 |  |  | $ | 164,531 |
Gross profit |  | $ | 22,192 |  |  | $ | 33,063 |  |  | $ | 31,303 |  |  | $ | 30,601 |
Net (loss) income |  | $ | (1,858) |  |  | $ | 5,434 |  |  | $ | 6,408 |  |  | $ | (41,152) |
Basic (loss) earnings per common share |  | $ | (0.18) |  |  | $ | 0.52 |  |  | $ | 0.62 |  |  | $ | (3.97) |
Diluted (loss) earnings per common share |  | $ | (0.18) |  |  | $ | 0.52 |  |  | $ | 0.61 |  |  | $ | (3.97) |

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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/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109225645&loc=d3e1280-108306 + Details
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