Note 5 - Net Income (Loss) Per Share - Computation of the Basic and Diluted Earnings per Share (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net income (loss) available to Common shareholders	$ (396)	$ (150)	$ (871)	$ (159)
Denominator for basic and diluted loss per share of weighted average number of common shares (in shares)	6,775,971	6,782,418	6,775,971	6,812,816
Basic net income (loss) per share (in dollars per share)	$ (0.059)	$ (0.022)	$ (0.129)	$ (0.023)
Diluted net income (loss) per share (in dollars per share)	$ (0.059)	$ (0.022)	$ (0.129)	$ (0.023)