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Inventories (Details Textual) - USD ($)
$ in Millions
1 Months Ended
Mar. 31, 2015
Jan. 31, 2014
Sep. 30, 2015
Dec. 31, 2014
Inventories (Textual) [Abstract]        
Shelf life 6 years 5 years    
Extended shelf life 7 years 6 years    
Reserve for potential obsolescence of products     $ 2.8 $ 3.2