Concentration of Credit Risk (Details Textual)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Unusual Risk or Uncertainty [Line Items]
Percentage Of Trade Accounts Receivable	49.00%	55.00%
Customer One [Member] | Sales Revenue [Member]
Unusual Risk or Uncertainty [Line Items]
Concentration Risk, Percentage	16.00%	22.00%
Customer One [Member] | Accounts Receivable [Member]
Unusual Risk or Uncertainty [Line Items]
Concentration Risk, Percentage	26.00%	16.00%
Customer Two [Member] | Sales Revenue [Member]
Unusual Risk or Uncertainty [Line Items]
Concentration Risk, Percentage	16.00%
Customer Three [Member] | Sales Revenue [Member]
Unusual Risk or Uncertainty [Line Items]
Concentration Risk, Percentage	12.00%
Customer Four [Member] | Sales Revenue [Member]
Unusual Risk or Uncertainty [Line Items]
Concentration Risk, Percentage		12.00%
Customer Four [Member] | Accounts Receivable [Member]
Unusual Risk or Uncertainty [Line Items]
Concentration Risk, Percentage		15.00%
Customer Five [Member] | Accounts Receivable [Member]
Unusual Risk or Uncertainty [Line Items]
Concentration Risk, Percentage	23.00%
Customer Six [Member] | Accounts Receivable [Member]
Unusual Risk or Uncertainty [Line Items]
Concentration Risk, Percentage		23.00%
Foreign Tax Authority [Member] | Sales Revenue [Member]
Unusual Risk or Uncertainty [Line Items]
Concentration Risk, Percentage	4.00%	5.00%