XML 52 R36.htm IDEA: XBRL DOCUMENT v3.5.0.2
Concentration of Credit Risk (Details Textual) - USD ($)
6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Accounts Receivable, Net, Current $ 9,723,415   $ 11,410,999
Customer A [Member] | Accounts Receivable [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Concentration Risk, Percentage 20.20% 26.00%  
Accounts Receivable, Net, Current $ 2,018,000 $ 2,392,000  
Customer B [Member] | Accounts Receivable [Member]      
Accumulated Other Comprehensive Income (Loss) [Line Items]      
Concentration Risk, Percentage 21.20% 15.30%  
Accounts Receivable, Net, Current $ 2,112,000 $ 1,541,000