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Unaudited Quarterly Financial Information (Details) (USD $)
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3 Months Ended | 12 Months Ended | |||||||||
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Dec. 31, 2011
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Sep. 30, 2011
adjustment
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Jun. 30, 2011
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Mar. 31, 2011
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Dec. 31, 2010
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Sep. 30, 2010
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Jun. 30, 2010
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Mar. 31, 2010
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Unaudited Quarterly Financial Information | |||||||||||
| Revenues | $ 108,301,000 | $ 84,594,000 | $ 67,852,000 | $ 63,510,000 | $ 75,181,000 | $ 55,626,000 | $ 58,190,000 | $ 52,331,000 | $ 324,257,000 | $ 241,328,000 | $ 182,713,000 |
| Gross profit | 76,345,000 | 56,302,000 | 44,917,000 | 41,996,000 | 52,609,000 | 38,678,000 | 41,192,000 | 35,619,000 | |||
| Acquisition and integration | 1,343,000 | 10,571,000 | 3,195,000 | 10,000 | 169,000 | 100,000 | 15,119,000 | 269,000 | |||
| Income (Loss) from continuing operations (a) | 5,848,000 | (2,697,000) | 10,498,000 | 12,888,000 | 18,554,000 | 10,040,000 | 8,830,000 | 7,878,000 | 26,537,000 | 45,302,000 | 19,924,000 |
| Income (Loss)from discontinued operations (b) | (1,425,000) | (134,000) | (285,000) | (209,000) | (3,927,000) | (140,000) | 170,000 | 164,000 | (2,053,000) | (3,733,000) | 577,000 |
| Net income (loss) (a) | 4,423,000 | (2,831,000) | 10,213,000 | 12,679,000 | 14,627,000 | 9,900,000 | 9,000,000 | 8,042,000 | 24,484,000 | 41,569,000 | 20,501,000 |
| Basic income (loss) per common share: | |||||||||||
| Continuing (in dollars per share) | $ 0.21 | $ (0.10) | $ 0.38 | $ 0.46 | $ 0.66 | $ 0.35 | $ 0.31 | $ 0.32 | $ 0.96 | $ 1.65 | $ 0.87 |
| Discontinued (in dollars per share) | $ (0.05) | $ (0.01) | $ (0.01) | $ (0.14) | $ 0.01 | $ 0.01 | $ (0.07) | $ (0.13) | $ 0.03 | ||
| Total (in dollars per share) | $ 0.16 | $ (0.10) | $ 0.37 | $ 0.45 | $ 0.52 | $ 0.35 | $ 0.32 | $ 0.33 | $ 0.89 | $ 1.52 | $ 0.90 |
| Diluted income (loss) per common share: | |||||||||||
| Continuing (in dollars per share) | $ 0.21 | $ (0.10) | $ 0.38 | $ 0.46 | $ 0.65 | $ 0.35 | $ 0.31 | $ 0.31 | $ 0.95 | $ 1.63 | $ 0.85 |
| Discontinued (in dollars per share) | $ (0.05) | $ (0.01) | $ (0.01) | $ (0.14) | $ (0.01) | $ 0.01 | $ 0.01 | $ (0.07) | $ (0.13) | $ 0.03 | |
| Total (in dollars per share) | $ 0.16 | $ (0.10) | $ 0.37 | $ 0.45 | $ 0.51 | $ 0.34 | $ 0.32 | $ 0.32 | $ 0.88 | $ 1.50 | $ 0.88 |
| Decrease in amortization of intangible assets | 2,200,000 | ||||||||||
| Increase in general and administrative expense related to stock based compensation | 500,000 | ||||||||||
| Number of adjustments effecting net income | 2 | ||||||||||
| Increase in income tax effect on general and administrative expense related to stock based compensation | 500,000 | ||||||||||
| Increase in net income | 1,200,000 | ||||||||||
| Impairment of Springbox unit | 1,800,000 | 5,900,000 | 1,800,000 | 5,866,000 | |||||||
| Credit for reversal of an earnout liability related to Match Point | $ 900,000 | ||||||||||