Note 8 - Government Grants (Details Textual) (USD $)	9 Months Ended	1 Months Ended
	Sep. 30, 2014 First N I H Grant [Member]	Jul. 31, 2014 SBIR Grant [Member]	Jul. 31, 2013 SBIR Grant [Member]	Sep. 30, 2014 SBIR Grant [Member]
Grant Award	$ 20,400,000	$ 290,000	$ 277,000
Unused Grant Funds	$ 215,000			$ 237,000