Property and Equipment (Details) (USD $)
|
Dec. 31, 2012
|
Dec. 31, 2011
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Property, Plant and Equipment [Line Items] | ||
Property, plant and equipment, gross | $ 11,261,906 | $ 8,212,846 |
Less: accumulated depreciation and amortization | (9,151,135) | (6,622,835) |
Total | 2,110,771 | 1,590,011 |
Furniture and fixtures
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Property, Plant and Equipment [Line Items] | ||
Property, plant and equipment, gross | 421,425 | 421,425 |
Equipment
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Property, Plant and Equipment [Line Items] | ||
Property, plant and equipment, gross | 2,473,813 | 2,095,825 |
Software
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Property, Plant and Equipment [Line Items] | ||
Property, plant and equipment, gross | 8,018,509 | 5,382,424 |
Leasehold improvements
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Property, Plant and Equipment [Line Items] | ||
Property, plant and equipment, gross | $ 348,159 | $ 313,172 |