Geographic Information (Narrative) (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2016 USD ($) customer	Jun. 30, 2015 USD ($) customer	Jun. 30, 2016 USD ($) customer	Jun. 30, 2015 USD ($) customer	Dec. 31, 2015 customer
Revenue, Major Customer [Line Items]
Sales, net | $	$ 16,976	$ 17,120	$ 35,234	$ 33,722
Net Sales [Member] | One Customer [Member]
Revenue, Major Customer [Line Items]
Number of customers	1	1	1	1
Percentage of sales and/or receivables	39.00%	42.00%	39.00%	40.00%
Accounts Receivable [Member] | Two Customers [Member]
Revenue, Major Customer [Line Items]
Number of customers			2		2
Percentage of sales and/or receivables			26.00%		27.00%