Note 6 - Notes Payable - Notes Payable (Details) - USD ($)	Mar. 31, 2020	Jan. 31, 2020	Dec. 31, 2019
Notes Payable, Gross	$ 6,425,666		$ 5,146,226
Debt Instrument, Unamortized Discount, Total	493,490		350,426
Notes Payable	5,932,176		4,795,800
Convertible Promissory Note [Member]
Notes Payable, Gross	1,721,776		1,989,104
Promissory Note, One [Member]
Notes Payable, Gross	980,833		680,833
Promissory Note, Two [Member]
Notes Payable, Gross	490,000
Promissory Note, Three [Member]
Notes Payable, Gross	480,000
Borrowings Against Equity Line, One [Member]
Notes Payable, Gross			18,563
Borrowings Against Equity Line, Two [Member]
Notes Payable, Gross			147,783
Borrowings Against Equity Line, Three [Member]
Notes Payable, Gross			194,943
Borrowings Against Equity Line, Four [Member]
Notes Payable, Gross	196,478
Borrowings Against Equity Line, Five [Member]
Notes Payable, Gross	215,526
Borrowings Against Equity Line, Six [Member]
Notes Payable, Gross	226,053
DrSchwartz Notes [Member]
Notes Payable, Gross	$ 2,115,000	$ 2,115,000	$ 2,115,000