Note 8 - Shareholders' Equity (Details) - Option Activity (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Option Activity [Abstract]
Amount of options	712,763	832,763
Weighted average exercise price	$ 1.33	$ 1.30
Weighted-average remaining contractual term	5 years 138 days	6 years 29 days
Aggregate intrinsic value		$ 1
Exercisable options at the end of the year	564,763
Exercisable options at the end of the year	$ 1.30
Exercisable options at the end of the year	4 years 299 days
Forfeited/Expired	120,000
Forfeited/Expired	$ 1.14