Note 10 - Stock-Based Compensation (Detail) - Stock Option Activity (USD $)	9 Months Ended
	Sep. 30, 2012
Options outstanding, January 1, 2012 (249,000 exercisable)	249,000
Options outstanding, January 1, 2012 (249,000 exercisable) (in Dollars per share)	$ 3.28
Options outstanding, September 30, 2012 (219,000 exercisable)	219,000
Options outstanding, September 30, 2012 (219,000 exercisable) (in Dollars per share)	$ 3.17
Forfeited/Expired	(30,000)
Forfeited/Expired (in Dollars per share)	$ 4.11