Major Customers (Details) (Customer Concentration Risk [Member])	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Revenues [Member] | Customer No. 1 [Member]
Concentration Risk [Line Items]
Concentration risk percentage	10.00%
Revenues [Member] | Customer No. 3 [Member]
Concentration Risk [Line Items]
Concentration risk percentage	9.00%	11.00%
Accounts Receivable [Member] | Customer No. 1 [Member]
Concentration Risk [Line Items]
Concentration risk percentage	14.00%
Accounts Receivable [Member] | Customer No. 2 [Member]
Concentration Risk [Line Items]
Concentration risk percentage	12.00%
Number of customers	1