Note 10 - Stockholders' Equity (Details) - Summary of Warrant Activity (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Summary of Warrant Activity [Abstract]
Warrants Outstanding	94,549	969,549
Warrants, Weighted Average Exercise Price During Period	$ 4.82	$ 4.61
Exercised	(580,000)
Exercised	$ 4.30
Cancelled/forfeited	(55,000)
Cancelled/forfeited	$ 4.30
Expired	(240,000)
Expired	$ 5.34