Note 11 - Stock-Based Compensation (Detail) - Stock Option Activity (USD $)	6 Months Ended
	Jun. 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, June 30, 2012 (225,000 exercisable)	225,000
Options outstanding, June 30, 2012 (225,000 exercisable) (in Dollars per share)	$ 3.19
Forfeited/Expired	(24,000)
Forfeited/Expired (in Dollars per share)	$ 4.14