Note 3 - Summary of Significant Accounting Polices - Fair Value of Financial Instruments (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Derivative liability	$ 365,785
Fair Value, Recurring [Member]
Derivative liability	365,785
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Derivative liability	29,548
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative liability
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Derivative liability	336,237
Derivative Warrants [Member] | Fair Value, Recurring [Member]
Derivative liability	336,237
Derivative Warrants [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Derivative liability
Derivative Warrants [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative liability
Derivative Warrants [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Derivative liability	336,237
Stock To be Issued [Member] | Fair Value, Recurring [Member]
Derivative liability	29,548
Stock To be Issued [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Derivative liability	29,548
Stock To be Issued [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Derivative liability
Stock To be Issued [Member] | Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Derivative liability