Organization And Summary Of Significant Accounting Policies (Narratives)(Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Held-to-maturity Securities, Unrecognized Holding Gain	$ 0	$ 0
Held-to-maturity Securities, Unrecognized Holding Loss	0	0
Held-to-maturity Securities, Debt Maturities, Date	Dec. 01, 2014
Interest income, net	135	392
Advertising Expense	28	75
Proceeds from issuance of common stock, net	382	395
Other comprehensive (loss) income	(2)	160
Foreign [Member]
Cash and cash equivalents	6,400	6,400
Employee Stock Option [Member]
Number of shares available for Future Issuance	211,631
Employee Stock Purchase Plan [Member]
Proceeds from issuance of common stock, net	$ 382	$ 395
Number of shares available for Future Issuance	199,394
Weighted-average fair value of the employee purchase right	$ 2.20	$ 4.50
Amended And Restated 2006 Equity Incentive Plan [Member]
Number of shares authorized for future issuance	889,064
2000 Non-Officer Plan [Member]
Number of shares authorized for future issuance	106,666
Number of shares available for Future Issuance	66,225