Organization And Summary Of Significant Accounting Policies (Schedule Of Basic And Diluted Net Loss Per Share) (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Organization And Summary Of Significant Accounting Policies [Abstract]
Net loss	$ (9,485)	$ (11,437)
Weighted average shares-basic and diluted	4,924	4,857