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Goodwill and Other Intangible Assets Intangible Amortization Expense (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Intangible Asset Amortization Expense By Category [Line Items]
Amortization of Intangible Assets	$ 151,300	$ 211,300	$ 453,900	$ 591,200
Cost of Revenue [Member]
Intangible Asset Amortization Expense By Category [Line Items]
Amortization of Intangible Assets	97,500	135,000	292,500	376,500
Research and Development Expense [Member]
Intangible Asset Amortization Expense By Category [Line Items]
Amortization of Intangible Assets	8,800	8,800	26,400	26,400
General and Administrative Expense [Member]
Intangible Asset Amortization Expense By Category [Line Items]
Amortization of Intangible Assets	$ 45,000	$ 67,500	$ 135,000	$ 188,300

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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