Organization And Summary Of Significant Accounting Policies (Schedule Of Basic And Diluted Net Loss Per Share)(Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Organization And Summary Of Significant Accounting Policies [Abstract]
Net loss	$ (2,333)	$ (1,092)	$ (4,672)	$ (3,240)
Weighted average shares, basic and diluted	4,794	4,702	4,782	4,694
Basic and diluted net loss per share	$ (0.49)	$ (0.23)	$ (0.98)	$ (0.69)