Note 15 - Licenses of Intellectual Property and Patents (Details Textual)	12 Months Ended
	Dec. 31, 2016 USD ($) shares	Dec. 31, 2015 USD ($) shares	Jan. 31, 2003 USD ($) shares
Number Of Days Before Issuance Factoring Into Average Closing Price	20 days
Amount of Time after Effective Date of License Agreement for Registration Rights to Take Place	1 year
Common Stock, Shares, Issued | shares	31,226,336	23,395,211	253,691
Common Stock, Value, Issued | $	$ 312,263	$ 233,952	$ 2,200,000
Number Of Trademark Protection Application Pending For Thermo Dox	14