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Goodwill and Other Intangible Assets - Components of Other Intangible Assets (Detail) (USD $)
 3 Months Ended 3 Months Ended 1 Months Ended 3 Months Ended 0 Months Ended 1 Months Ended 3 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2014
Customer relationships and developed technology [Member]
Mar. 31, 2009
In-process research and development [Member]
Mar. 31, 2014
In-process research and development [Member]
Apr. 30, 2009
Trade name [Member]
Mar. 31, 2009
Trade name [Member]
Mar. 31, 2014
Trade name [Member]
Mar. 31, 2014
Patents [Member]
Acquired Finite-Lived Intangible Assets [Line Items]                  
Cost $ 4,203,612   $ 1,310,000   $ 1,340,000     $ 310,000 $ 1,243,612
Impairment (654,961)       (654,961)        
Accumulated Amortization (2,133,397)   (924,734)   (270,687)     (113,877) (824,099)
Foreign Currency Translation 350,404   158,954   148,802     42,648  
Net Carrying Amount $ 1,765,658 $ 1,835,717 $ 544,220   $ 563,154     $ 238,771 $ 419,513
Weighted- Average Amortization Period 12 years 2 months 12 days   8 years      15 years 15 years 15 years 16 years