Note 2 - Basis of Presentation and Summary of Significant Accounting Policies (Details) - Reconciliation of Basic and Diluted Loss per Share (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Reconciliation of Basic and Diluted Loss per Share [Abstract]
Net loss (in Dollars)	$ (1,651)	$ (928)	$ (3,758)	$ (3,695)
Weighted average shares outstanding	49,158	44,542	46,712	40,241
Basic and diluted net loss per share (in Dollars per share)	$ (0.03)	$ (0.02)	$ (0.08)	$ (0.09)