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Selected Quarterly Financial Information (unaudited) (Tables) | 12 Months Ended
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Dec. 31, 2016
Selected Quarterly Financial Information (unaudited) |
Schedule of unaudited quarterly financial data |
|  | Fiscal 2016 |  | Fiscal 2015
|  | Q1 |  | Q2 |  | Q3 |  | Q4 |  | Q1 |  | Q2 |  | Q3 |  | Q4 |
|  | (in thousands, except per share amounts) |
Net sales |  | $ | 78,011 |  | $ | 75,348 |  | $ | 85,482 |  | $ | 93,609 |  | $ | 98,341 |  | $ | 131,410 |  | $ | 140,744 |  | $ | 106,543 |
Gross profit |  | 31,956 |  | 31,439 |  | 33,455 |  | 36,008 |  | 35,136 |  | 49,069 |  | 54,250 |  | 38,786 |
Net income (loss) |  | (15,533) |  | (32,082) |  | (69,598) |  | (4,998) |  | (19,110) |  | (8,386) |  | 5,306 |  | (9,788) |
Basic income (loss) per common share |  | (0.40) |  | (0.82) |  | (1.78) |  | (0.13) |  | (0.48) |  | (0.21) |  | 0.13 |  | (0.25) |
Diluted income (loss) per common share |  | (0.40) |  | (0.82) |  | (1.78) |  | (0.13) |  | (0.48) |  | (0.21) |  | 0.13 |  | (0.25) |

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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/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=68076893&loc=d3e1280-108306 + Details
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