Note 6 - Notes Payable - Notes Payable (Details) - USD ($)	Jun. 30, 2020	Apr. 21, 2020	Jan. 31, 2020	Dec. 31, 2019
Notes Payable, Gross	$ 4,694,476			$ 5,146,226
Debt Instrument, Unamortized Discount, Total	282,099			350,426
Notes Payable	4,412,377			4,795,800
Paycheck Protection Program CARES Act [Member]
Notes Payable, Gross	541,867
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
Promissory Note, Four [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
DrSchwartz Notes [Member]
Notes Payable, Gross		$ 2,115,000	$ 2,115,000	$ 2,115,000