Note 10 - Options and Warrants to Purchase Common Stock (Details) - Summary of the Status and Changes of the Options Granted Under the Stock Option Plans and Other Agreements (USD $)	6 Months Ended
	Jun. 30, 2014
Summary of the Status and Changes of the Options Granted Under the Stock Option Plans and Other Agreements [Abstract]
Outstanding at beginning of period	15,878,116
Outstanding at beginning of period	$ 1.03
Issued	1,175,000
Issued	$ 0.84
Exercised	0
Exercised	$ 0
Forfeited	0
Forfeited	$ 0
Outstanding at end of period	17,053,116
Outstanding at end of period	$ 1.02