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Supplementary Financial Information to Item 8. (Tables) | 12 Months Ended
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Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract] |
Schedule of Quarterly Financial Data |
2017 |  | Fourth Quarter |  | Third Quarter |  | Second Quarter |  | First Quarter
Net sales from continuing operations |  | $ | 4,727 |  |  | $ | 5,002 |  |  | $ | 6,011 |  |  | $ | 4,106 |
Gross profit from continuing operations |  | 1,622 |  |  | 1,137 |  |  | 1,501 |  |  | 561 |
Net loss from continuing operations |  | (1,858 | ) |  | (1,773 | ) |  | (3,114 | ) |  | (4,522 | )
Net loss from discontinued operations |  | — |  |  | — |  |  | — |  |  | — |
Net loss |  | $ | (1,858 | ) |  | $ | (1,773 | ) |  | $ | (3,114 | ) |  | $ | (4,522 | )
Net loss per share (basic and diluted): |  |  |  |  |  |  |  |
Net loss from continuing operations |  | $ | (0.16 | ) |  | $ | (0.15 | ) |  | $ | (0.26 | ) |  | $ | (0.39 | )
Net loss from discontinued operations |  | — |  |  | — |  |  | — |  |  | — |
Net loss |  | $ | (0.16 | ) |  | $ | (0.15 | ) |  | $ | (0.26 | ) |  | $ | (0.39 | )
2016 |  | Fourth Quarter |  | Third Quarter |  | Second Quarter |  | First Quarter
Net sales from continuing operations |  | $ | 7,186 |  |  | $ | 8,261 |  |  | $ | 7,126 |  |  | $ | 8,425 |
Gross profit from continuing operations |  | (1,072 | ) |  | 3,082 |  |  | 2,522 |  |  | 3,145 |
Net loss from continuing operations |  | (7,805 | ) |  | (3,177 | ) |  | (3,916 | ) |  | (1,977 | )
Net loss from discontinued operations |  | — |  |  | — |  |  | — |  |  | (12 | )
Net loss |  | $ | (7,805 | ) |  | $ | (3,177 | ) |  | $ | (3,916 | ) |  | $ | (1,989 | )
Net loss per share (basic and diluted): |  |  |  |  |  |  |  |
Net loss from continuing operations |  | $ | (0.67 | ) |  | $ | (0.27 | ) |  | $ | (0.34 | ) |  | $ | (0.17 | )
Net loss from discontinued operations |  | — |  |  | — |  |  | — |  |  | — |
Net loss |  | $ | (0.67 | ) |  | $ | (0.27 | ) |  | $ | (0.34 | ) |  | $ | (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/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=84173487&loc=d3e1280-108306 + Details
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