Note 1 - Basis of Presentation (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Net Income (Loss) Attributable to Parent	$ (1,273)	$ (1,128)	$ (2,782)	$ (2,144)
Retained Earnings (Accumulated Deficit)	$ (47,137)		(47,137)		$ (44,355)
Net Cash Provided by (Used in) Operating Activities			$ (2,270)	$ (590)