Note 19 - Concentrations (Details Textual)	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Revenue from Contract with Customer, Including Assessed Tax	$ 4,517,379	$ 106,978
Customer Concentration Risk [Member] | Revenue Benchmark [Member]
Number of Major Customers	1	0
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer One [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 2,846,897