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Quarterly Financial Information (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Sep. 30, 2013
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Jun. 30, 2013
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Mar. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2012
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Jun. 30, 2012
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Mar. 31, 2012
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Quarterly Financial Information Disclosure [Abstract] | |||||||||||
| Net revenue | $ 58,799 | $ 52,603 | $ 50,683 | $ 44,480 | $ 44,019 | $ 48,223 | $ 47,708 | $ 54,598 | $ 206,565 | $ 194,548 | $ 195,827 |
| Gross profit | 17,750 | 16,873 | 17,007 | 14,440 | 7,877 | 12,268 | 12,661 | 15,565 | 66,070 | 48,371 | 45,283 |
| Total income (loss) from continuing operations before taxes | 2,104 | 1,875 | 2,138 | (526) | (4,596) | (2,581) | (2,545) | 69 | 5,591 | (9,653) | (8,335) |
| Net income (loss) | $ 2,236 | $ 1,775 | $ 2,089 | $ (560) | $ (4,883) | $ (2,734) | $ (2,945) | $ 160 | $ 5,064 | $ (14,950) | $ (22,024) |
| Basic and diluted net income (loss) per share | $ 0.03 | $ 0.03 | $ 0.04 | $ (0.01) | $ (0.08) | $ (0.05) | $ (0.05) | $ 0.00 | $ 0.09 | $ (0.26) | $ (0.40) |