Note 4 - Accounting for Stock-Based Compensation (Details) - Option Activity (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended		12 Months Ended
	Sep. 30, 2014		Dec. 31, 2013
Option Activity [Abstract]
Amount of options	1,287,763		712,763
Weighted average exercise price	$ 1.56		$ 1.33
Weighted-average remaining contractual term	7 years 335 days		5 years 138 days
Aggregate intrinsic value	$ 45	[1]		[1]
Exercisable options at the end of the period	397,263
Exercisable options at the end of the period	$ 1.44
Exercisable options at the end of the period	5 years 109 days
Exercisable options at the end of the period	$ 30	[1]

[1] Calculation of aggregate intrinsic value is based on the share price of the Company's common stock as of September 30, 2014 ($ 1.29 per share).