Note 7 - Embedded Derivatives Liabilities - Schedule of Inputs to Lattice Model Used to Value Embedded Derivatives (Details)	Mar. 31, 2020	Jan. 10, 2020	Dec. 31, 2019
Measurement Input, Exercise Price [Member]
Embedded derivative liability, measurement input	0.82	2.27	2.31
Measurement Input, Conversion Rate, Per 1000 dollars [Member]
Embedded derivative liability, measurement input	409.5	409.5	67.95
Measurement Input, Conversion Price [Member]
Embedded derivative liability, measurement input	2.44	2.44	14.72
Measurement Input, Maturity [Member]
Embedded derivative liability, measurement input	312,020	312,020	152,020
Measurement Input, Risk Free Interest Rate [Member]
Embedded derivative liability, measurement input	0.0016	0.0152	0.0152
Measurement Input, Price Volatility [Member]
Embedded derivative liability, measurement input	0.7	0.4	0.6
Measurement Input, Entity Credit Risk [Member]
Embedded derivative liability, measurement input	0.4	0.36	0.27