Note 12 - Stock-based Compensation Plan (Details) - Stock Option Activity (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Stock Option Activity [Abstract]
Options outstanding, January 1, 2013 (219,000 exercisable)	10,000	219,000
Options outstanding, January 1, 2013 (219,000 exercisable)	$ 5.66	$ 3.17
Options Outstanding Balance - Number of Shares	0	10,000
Options Outstanding Balance - Weighted Average Exercise Price	$ 0	$ 5.66
Options granted - Number of shares	0	0
Options granted - Weighted average exercise price		$ 0
Options exercised - Number of shares		(10,000)
Options exercised - Weighted average exercise price		$ 3.04
Options Cancelled - Number of Shares	(10,000)	(199,000)
Options Cancelled - Weighted Average Exercise Price	$ 5.66	$ 3.05