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Goodwill and Intangible Assets (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Amortization of intangibles	$ 390,170	$ 123,460	$ 1,170,513	$ 416,899
Internally Developed Software [Member]
Amortization of intangibles	1,239,000		1,239,000
Purchased Intangibles and Internally Developed Software [Member]
Amortization of intangibles	$ 0	$ 123,460	$ 1,170,510	$ 416,900
Finite-Lived Intangible Asset, Useful Life			3 years

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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