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Supplementary Data - Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
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 | Dec. 31, 2013
Supplementary Data - Quarterly Financial Data [Abstract] |  |  |  |  |  |  |  |  |  |  |
Sales | $ 44,076 | $ 39,256 | $ 30,053 | $ 41,881 | $ 45,959 | $ 44,070 | $ 30,157 | $ 38,117 | $ 155,266 | $ 158,303 | $ 141,120
Gross profit | 14,767 | 14,143 | 10,515 | 14,821 | 16,119 | 17,342 | 10,471 | 13,697 | 54,246 | 57,629 | 47,334
(Loss) income from continuing operations | (31,724) | (49,226) | (3,840) | (1,745) | (3,064) | (1,161) | (2,996) | (2,397) | (86,535) | (9,618) | (10,675)
Discontinued operations, net of tax | 10,994 | 1,107 | (1,607) | 70 | 2,978 | 21,564 | (1,987) | 1,070 | 10,564 | 23,625 | 4,805
Operating Income (Loss) |  |  |  |  |  |  |  |  | (38,081) | (9,989) | (13,665)
Net income (loss) | $ (20,730) | $ (48,119) | $ (5,447) | $ (1,675) | $ (86) | $ 20,403 | $ (4,983) | $ (1,327) | $ (75,971) | $ 14,007 | $ (5,870)
Earnings (loss) per share: |  |  |  |  |  |  |  |  |  |  |
Income (Loss) from Continuing Operations, Per Basic Share | $ (0.99) | $ (1.50) | $ (0.12) | $ (0.05) | $ (0.09) | $ (0.04) | $ (0.09) | $ (0.07) | $ (2.65) | $ (0.30) | $ (0.33)
Income (Loss) from Continuing Operations, Per Diluted Share | (0.99) | (1.50) | (0.12) | (0.05) | (0.09) | (0.04) | (0.09) | (0.07) | (2.65) | (0.30) | (0.33)
Income (loss) from discontinued operations per share, Basic | 0.35 | 0.03 | (0.05) | 0.00 | 0.09 | 0.67 | (0.06) | 0.03 | 0.32 | 0.73 | 0.15
Income (loss) from discontinued operations per share, Diluted | 0.35 | 0.03 | (0.05) | 0.00 | 0.09 | 0.67 | (0.06) | 0.03 | 0.32 | 0.73 | 0.15
Basic net (loss) income per share | (0.64) | (1.47) | (0.17) | (0.05) | 0.00 | 0.63 | (0.15) | (0.04) | (2.33) | 0.43 | (0.18)
Diluted net (loss) income per share | $ (0.64) | $ (1.47) | $ (0.17) | $ (0.05) | $ 0.00 | $ 0.63 | $ (0.15) | $ (0.04) | $ (2.33) | $ 0.43 | $ (0.18)

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