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Quarterly Results for Continuing Operations - Quarterly Information for the Applicable Time Periods (Detail) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014
Quarterly information for the applicable time periods |  |  |  |  |  |  |  |  |  |
Net sales | $ 7,690 | $ 13,780 | $ 12,302 | $ 15,311 | $ 13,693 | $ 14,283 | $ 13,430 | $ 15,848 | $ 49,083 | $ 57,254
Gross Profit | (298) | 2,561 | 2,044 | 2,283 | 37 | 495 | 2,028 | 2,435 | 6,590 | 4,995
Net income (loss) from continuing operations | $ (3,618) | $ 204 | $ 547 | $ 274 | $ (1,982) | $ (1,982) | $ 1,062 | $ 848 | $ (2,593) | $ (2,054)
Earnings (loss) per share: |  |  |  |  |  |  |  |  |  |
Basic | $ (0.45) | $ 0.01 | $ 0.06 | $ 0.02 | $ (0.25) | $ (0.25) | $ 0.12 | $ 0.09 | $ (0.36) | $ (0.29)

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