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Concentration of Credit Risk (Details Textual) - USD ($)
9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accounts Receivable, Net, Current $ 10,180,931   $ 11,410,999
Customer A [Member] | Accounts Receivable [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Concentration Risk, Percentage 13.90% 19.30%  
Accounts Receivable, Net, Current $ 1,411,000 $ 1,957,000  
Customer B [Member] | Accounts Receivable [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Concentration Risk, Percentage 26.10% 19.50%  
Accounts Receivable, Net, Current $ 2,653,000 $ 1,972,000