Note 8 - Long Term Convertible Notes Related Party - Long Term Convertible Notes Related Party (Details) (Parentheticals) - Bill Chaaban, President of Cen Biotech [Member] - Long-term Convertible Note Related Party [Member]	3 Months Ended
	Mar. 31, 2017
Interest Rate	12.00%
Debt Instrument, Convertible, Number of Equity Instruments	871,576
Maturity Date	Aug. 17, 2018