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Intangible Assets (Detail) (USD $)
 9 Months Ended 12 Months Ended
Sep. 30, 2012
Dec. 31, 2011
Finite Lived and Indefinite Lived Intangible Assets [Line Items]    
Gross Value $ 30,098,000  
Currency Translation Adjustment (2,999,091)  
Accumulated Amortization (5,634,820)  
Net Book Value 21,464,089 23,148,563
In-process research & development
    
Finite Lived and Indefinite Lived Intangible Assets [Line Items]    
Gross Value 6,698,000  
Currency Translation Adjustment (793,422)  
Net Book Value 5,904,578 5,955,066
Developed technology
    
Finite Lived and Indefinite Lived Intangible Assets [Line Items]    
Gross Value 16,700,000  
Currency Translation Adjustment (1,618,177)  
Accumulated Amortization (2,694,831)  
Net Book Value 12,386,992 13,228,351
Useful Life   15 years
Distributor relationships
    
Finite Lived and Indefinite Lived Intangible Assets [Line Items]    
Gross Value 4,700,000  
Currency Translation Adjustment (484,422)  
Accumulated Amortization (2,318,568)  
Net Book Value 1,897,010 2,547,842
Useful Life   5 years
Patents
    
Finite Lived and Indefinite Lived Intangible Assets [Line Items]    
Gross Value 1,000,000  
Currency Translation Adjustment (103,070)  
Accumulated Amortization (154,160)  
Net Book Value 742,770 790,555
Useful Life   16 years
Elevess trade name
    
Finite Lived and Indefinite Lived Intangible Assets [Line Items]    
Gross Value 1,000,000  
Accumulated Amortization (467,261)  
Net Book Value $ 532,739 $ 626,749
Useful Life   9 years