Note 3 - Stock-Based Compensation (Details) - Stock Option Activity (USD $)	6 Months Ended	12 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013
Stock Option Activity [Abstract]
Options	974,800	1,070,000	1,693,334
Weighted Average Exercise Price	$ 1.58	$ 1.58
Weighted Average Remaining Contractual Life (in years)	1 year 211 days	1 year 354 days
Options exercisable as of June 30, 2014	834,800
Options exercisable as of June 30, 2014	$ 1.60
Options exercisable as of June 30, 2014	1 year 65 days
Exercised	95,200
Exercised	$ 1.59