Note 3 - Stock-Based Compensation (Details) - Stock Option Activity (USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Stock Option Activity [Abstract]
Options		1,070,000	1,705,001
Weighted Average Exercise Price		$ 1.58
Weighted Average Remaining Contractual Life (in years)	1 year 270 days	1 year 354 days
Options exercisable as of March 31, 2014	900,000
Options exercisable as of March 31, 2014	$ 1.60
Options exercisable as of March 31, 2014	1 year 127 days
Exercised	30,000
Exercised	$ 1.60
Options	1,040,000		1,705,001
Weighted Average Exercise Price	$ 1.58
Weighted Average Remaining Contractual Life (in years)	1 year 270 days	1 year 354 days