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Concentration Risk
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3 Months Ended |
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Mar. 31, 2013
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| Risks and Uncertainties [Abstract] | |
| Concentration Risk | Concentration Risk For the three-month periods ended March 31, 2013 and 2012, one client accounted for 20% and 46% of total revenues, respectively. At March 31, 2013, one client accounted for 11% of the outstanding accounts receivable balance and a separate client accounted for 10% of the outstanding accounting receivable balance. At December 31, 2012, one client accounted for 13% of the outstanding accounts receivable balance and a separate client accounted for 12% of the outstanding receivable balance. |