Concentration of Credit Risk (Details Textual)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Concentration Risk [Line Items]
Percentage Of Trade Accounts Receivable	41.00%	41.00%
Customer One [Member] | Sales Revenue [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	17.00%	10.00%
Customer One [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	19.00%
Customer Two [Member] | Sales Revenue [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	15.00%	15.00%
Customer Two [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	12.00%	18.00%
Customer Three [Member] | Sales Revenue [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage		10.00%
Customer Four [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	10.00%
Customer Five [Member] | Accounts Receivable [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage		23.00%
Foreign Tax Authority [Member] | Sales Revenue [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	3.00%	3.00%