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Intangible Assets (Details Textual) (USD $)	3 Months Ended		6 Months Ended
Intangible Assets (Details Textual) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Intangible Assets (Textual)
Amortization expense	$ 49,534	$ 52,208	$ 105,189	$ 101,845

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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