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Goodwill and Intangible Assets (Details Textual) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Amortization of intangibles	$ 0	$ 0	$ 780,342	$ 293,438
Internally Developed Software [Member]
Amortization of intangibles	1,239,000		1,239,000
Purchased Intangibles and Internally Developed Software [Member]
Amortization of intangibles	$ 390,170	$ 141,060	$ 780,340	$ 293,350
Finite-Lived Intangible Asset, Useful Life			3 years 6 months

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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