Note 5 - Stock-Based Compensation (Detail) - Option Activity (USD $)	3 Months Ended
	Mar. 31, 2013
Outstanding as of January 1, 2013	2,606,500
Outstanding as of January 1, 2013 (in Dollars per share)	$ 1.10
Issued	140,000
Issued (in Dollars per share)	$ 1.04
Forfeited	(25,000)
Forfeited (in Dollars per share)	$ 1.74
Outstanding as of March 31, 2013	2,721,500
Outstanding as of March 31, 2013 (in Dollars per share)	$ 1.09
Exercisable as of March 31, 2013	1,062,671
Exercisable as of March 31, 2013 (in Dollars per share)	$ 1.17