v3.19.1

QUARTERLY FINANCIAL DATA (Tables) | 12 Months Ended
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Dec. 31, 2018
Quarterly Financial Data [Abstract] |
Schedule of Quarterly Financial Information | QUARTERLY FINANCIAL DATA (UNAUDITED) (in thousands, except per share amounts)
|  | Three Months Ended
|  | December 31, 2018 |  | September 30, 2018 |  | June 30, 2018 |  | March 31, 2018
Sales |  | $ | 54,364 |  |  | $ | 41,410 |  |  | $ | 55,176 |  |  | $ | 57,320 |
Cost of Goods Sold |  | $ | 26,504 |  |  | $ | 23,370 |  |  | $ | 35,426 |  |  | $ | 36,655 |
Lower of cost or NRV inventory adjustments |  | $ | 930 |  |  | $ | — |  |  | $ | 76 |  |  | $ | 705 |
Gross Margin |  | $ | 14,826 |  |  | $ | 8,959 |  |  | $ | 7,286 |  |  | $ | 7,200 |
Net Income (Loss) |  | $ | 7,634 |  |  | $ | 3,350 |  |  | $ | (958 | ) |  | $ | 1,757 |
Basic and Diluted Earnings (Loss) Per Share |  | $ | 0.06 |  |  | $ | 0.03 |  |  | $ | (0.01 | ) |  | $ | 0.01 |
|  | Three Months Ended
|  | December 31, 2017 |  | September 30, 2017 |  | June 30, 2017 |  | March 31, 2017
Sales |  | $ | 42,582 |  |  | $ | 36,484 |  |  | $ | 47,347 |  |  | $ | 51,502 |
Cost of Goods Sold |  | $ | 26,481 |  |  | $ | 21,414 |  |  | $ | 31,735 |  |  | $ | 38,332 |
Lower of cost or NRV inventory adjustments |  | $ | 1,571 |  |  | $ | 666 |  |  | $ | 317 |  |  | $ | 3,825 |
Gross Margin (Deficit) |  | $ | 3,628 |  |  | $ | 6,062 |  |  | $ | 4,803 |  |  | $ | (2,605 | )
Net Loss |  | $ | (1,636 | ) |  | $ | (1,445 | ) |  | $ | (5,819 | ) |  | $ | (13,667 | )
Basic and Diluted Loss Per Share |  | $ | (0.01 | ) |  | $ | (0.01 | ) |  | $ | (0.05 | ) |  | $ | (0.17 | )

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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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