Note 5 - Stock-Based Compensation (Details) - Option Activity (USD $)	9 Months Ended
	Sep. 30, 2013
Option Activity [Abstract]
Outstanding as of January 1, 2013	2,606,500
Outstanding as of January 1, 2013 (in Dollars per share)	$ 1.10
Issued	205,500
Issued (in Dollars per share)	$ 1.20
Exercised	(125,670)
Exercised (in Dollars per share)	$ 1.08
Forfeited	(79,664)
Forfeited (in Dollars per share)	$ 1.31
Outstanding as of September 30, 2013	2,606,666
Outstanding as of September 30, 2013 (in Dollars per share)	$ 1.10
Exercisable as of September 30, 2013	1,356,831
Exercisable as of September 30, 2013 (in Dollars per share)	$ 1.14