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Goodwill and Other Intangible Assets Intangible Amortization Expense (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Finite-Lived Intangible Assets [Line Items]        
Amortization of Intangible Assets $ 151,300 $ 151,300 $ 302,600 $ 302,600
Cost of revenue        
Finite-Lived Intangible Assets [Line Items]        
Amortization of Intangible Assets 74,700 78,700 153,900 158,400
Research and development        
Finite-Lived Intangible Assets [Line Items]        
Amortization of Intangible Assets 31,600 27,600 58,700 54,200
Selling, general and administrative        
Finite-Lived Intangible Assets [Line Items]        
Amortization of Intangible Assets $ 45,000 $ 45,000 $ 90,000 $ 90,000