Summary Of Significant Accounting Policies (Concentration of Customers and Suppliers) (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2014 customer	Jun. 30, 2013	Jun. 30, 2014 customer	Jun. 30, 2013
Major customers
Number of major customers	2		2
Concentration risk, percentage of total net revenues	100.00%	100.00%	100.00%	100.00%
HP | Common Stock [Member]
Major customers
Warrants to purchase shares of our common stock	1,602,489		1,602,489
Warrants, exercise price	2.40		2.40
Revenue [Member] | Customer Concentration Risk [Member] | HP
Major customers
Concentration risk, percentage of total net revenues	50.00%	52.00%	50.00%	57.00%
Revenue [Member] | Customer Concentration Risk [Member] | Tektronix
Major customers
Concentration risk, percentage of total net revenues	4.00%	21.00%	10.00%	16.00%
Revenue [Member] | Customer Concentration Risk [Member] | Other customers less than 10%
Major customers
Concentration risk, percentage of total net revenues	46.00%	27.00%	40.00%	27.00%