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Derivative Financial Instruments (Additional Information) (Details)
9 Months Ended
Sep. 30, 2018
USD ($)
Derivative [Line Items]  
Notional amount $ 45,566
Gain (loss) on derivative instruments (45,566)
Foreign Exchange Contract [Member]  
Derivative [Line Items]  
Notional amount 6,200,000
Gain (loss) on derivative instruments $ (600,000)