Note 10 - Stock-Based Compensation (Details 1) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Number of option granted	4,970,000	5,830,000
Exercise price of option granted	$ 0.35
Unrecognized stock compensation expense	$ 532,395
Unrecognized stock compensation expense recognition period	1 year 9 months 18 days
Maximum [Member]
Exercise price of option granted	$ 0.70
Minimum [Member]
Exercise price of option granted	$ 0.35
2009 Employee, Director and Consultant Stock Option Plan (the " 2009 Plan")
Number of shares authorized	5,500,000
Stock option description	Stock options typically vest over a 3 year period and have a life of 10 years from the date granted.
Shares available for awards	16,233
2012 Employee, Director and Consultant Stock Option Plan (the "2012 Plan")
Number of shares authorized	7,500,000
Stock option description	Stock options typically vest over a 3 year period and have a life of 10 years from the date granted.
Shares available for awards	5,046,141