Note 16 - Subsequent Events (Details Textual) - USD ($) $ in Millions	1 Months Ended
	Nov. 30, 2020	Oct. 31, 2020
Subsequent Event [Member] | G4 Companies, LLC [Member]
Related Party Transaction, Amounts of Transaction		$ 1.5
Forecast [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)	62,500
Forecast [Member] | Outside Board Member [Member]
Stock Issued During Period, Shares, Issued for Services (in shares)	12,500