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Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Detail) (USD $)
 6 Months Ended 6 Months Ended 1 Months Ended 6 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Jun. 30, 2013
Customer relationships and developed technology [Member]
Jun. 30, 2013
In-Process Research and Development [Member]
Apr. 01, 2009
Trade name [Member]
Jun. 30, 2013
Trade name [Member]
Jun. 30, 2013
Patents [Member]
Acquired Finite-Lived Intangible Assets [Line Items]              
Cost $ 3,939,612   $ 1,310,000 $ 1,340,000   $ 310,000 $ 979,612
Additions 64,000              64,000
Impairment (654,961)      (654,961)        
Accumulated Amortization (1,920,902)   (784,178) (270,687)   (96,575) (769,462)
Foreign Currency Translation 226,336   104,613 100,501   21,222   
Net Carrying Amount $ 1,654,085 $ 1,822,904 $ 630,435 $ 514,853   $ 234,647 $ 274,150
Weighted Average Amortization Period 12 years 2 months 12 days   8 years   15 years 15 years 16 years