Major Customers (Narrative) (Details) (Customer Concentration Risk [Member])	12 Months Ended
	Dec. 31, 2013 customer	Dec. 31, 2014
Sales Revenue, Services, Net [Member]
Concentration Risk [Line Items]
Concentration risk percentage	21.00%
Number of major wholesale partners	2
Sales Revenue, Services, Net [Member] | Major wholesale partners [Member]
Concentration Risk [Line Items]
Concentration risk percentage		11.00%
Accounts Receivable [Member] | Major wholesale partners [Member]
Concentration Risk [Line Items]
Concentration risk percentage		7.00%
Accounts Receivable [Member] | Additional customer 1 [Member]
Concentration Risk [Line Items]
Concentration risk percentage		15.00%
Number of major wholesale partners		2
Accounts Receivable [Member] | Additional customer 2 [Member]
Concentration Risk [Line Items]
Concentration risk percentage		13.00%