Note 19 - Concentrations (Details Textual)	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Revenue from Contract with Customer, Including Assessed Tax	$ 7,148,029	$ 4,517,379
Customer Concentration Risk [Member] | Revenue Benchmark [Member]
Number of Major Customers	2	1
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer One [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 2,661,595	$ 2,847,897
Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Customer Two [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 1,551,661