Geographic Information (Narrative) (Details)	3 Months Ended		12 Months Ended
	Mar. 31, 2015 customer	Mar. 31, 2014 customer	Dec. 31, 2014 customer
Net Sales [Member] | One Customer [Member]
Revenue, Major Customer [Line Items]
Number of customers	1
Percentage of sales and/or receivables	39.00%
Net Sales [Member] | Two Customers [Member]
Revenue, Major Customer [Line Items]
Number of customers		2
Percentage of sales and/or receivables		49.00%
Accounts Receivable [Member] | Two Customers [Member]
Revenue, Major Customer [Line Items]
Number of customers	2		2
Percentage of sales and/or receivables	33.00%		29.00%