Note 5 - Acquisition of EGEN, Inc. (Details) - Fair Value of Consideration (Parentheticals) - EGEN, Inc. [Member] - $ / shares	1 Months Ended	12 Months Ended
	Jun. 20, 2014	Dec. 31, 2015	Dec. 31, 2014
Business Acquisition, Contingent Consideration [Line Items]
Common Stock, shares issued		2,712,188	2,712,188
Common Stock, price per share (in Dollars per share)		$ 3.48
Common Stock, shares to be issued	2,712,188	670,070	670,070
Common Stock, discount		38.00%