Note 1 - Basis of Presentation (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Net Income (Loss) Attributable to Parent	$ (1,509)us-gaap_NetIncomeLoss	$ (1,016)us-gaap_NetIncomeLoss
Retained Earnings (Accumulated Deficit)	(45,864)		(44,355)
Net Cash Provided by (Used in) Operating Activities	$ (1,297)	$ (769)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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