Note 24 - Subsequent Events (Details Textual) - Subsequent Event [Member]	1 Months Ended
	Jul. 31, 2021 shares
Shares Issued, Shares, Settlement of Warrants (in shares)	40,000.00
Placement Agent Warrants Issued in Connection with 2018 Financing [Member]
Warrants or Rights, Settled (in shares)	129,000