Geographic Information (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Revenue, Major Customer [Line Items]
Sales, net	$ 52,961	$ 59,955	$ 52,095
Net Sales [Member] | One Customer [Member]
Revenue, Major Customer [Line Items]
Percentage of sales and/or receivables	30.00%	21.00%	22.00%
Net Sales [Member] | Top Five Customers [Member]
Revenue, Major Customer [Line Items]
Percentage of sales and/or receivables	53.00%	46.00%	44.00%
Sales, net	$ 28,000	$ 29,000	$ 25,000
Accounts Receivable [Member] | One Customer [Member]
Revenue, Major Customer [Line Items]
Percentage of sales and/or receivables		27.00%
Accounts Receivable [Member] | Two Customers [Member]
Revenue, Major Customer [Line Items]
Percentage of sales and/or receivables	34.00%