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Other Intangible Assets (Detail) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 8,351,342 $ 8,565,112
Accumulated Amortization (1,852,352) (1,383,100)
Weighted Average Useful Life (in years) 8 years 8 years
Technology - developed
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 1,431,975 1,452,729
Accumulated Amortization (445,130) (360,748)
Weighted Average Useful Life (in years) 8 years 8 years
Patents
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 240,000 240,000
Accumulated Amortization (102,500) (87,500)
Weighted Average Useful Life (in years) 8 years 8 years
Customer relationships
   
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 6,679,367 6,872,383
Accumulated Amortization $ (1,304,722) $ (934,852)
Weighted Average Useful Life (in years) 8 years 8 years