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		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Reconciliation of Basic and Diluted Loss per Share [Abstract]
Net loss (in Dollars)	$ (679)	$ (900)	$ (2,107)	$ (2,767)
Weighted average shares outstanding	46,230	44,513	45,469	38,067
Basic and diluted net loss per share (in Dollars per share)	$ (0.01)	$ (0.02)	$ (0.05)	$ (0.07)