Note 15 - Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Loss from Operations	$ (4,201,111)	$ (4,038,582)
Operating Losses relating to Foreign Operations	$ (1,944,017)	(2,644,723)
Percentage change of ownership during the period	50.00%
Nabufit Denmark
Net Operating Loss Carryforwards	$ 1,099,467	646,910
USA Operations
Net Operating Loss Carryforwards	1,310,167	1,704,789
State and Local Jurisdiction
NOL Carryforwards to Become Permanently Restricted	1,274,626
State and Local Jurisdiction | USA Operations
Net Operating Loss Carryforwards	6,418,115	5,834,170
Internal Revenue Service (IRS) | USA Operations
Net Operating Loss Carryforwards	$ 5,031,674	$ 4,447,829