Note 13 - Commitments (Tables)

9 Months Ended

Sep. 30, 2022

Notes Tables

Lease, Cost and Other Information [Table Text Block]

	Three months ended				Nine months ended
	September 30, 2022		September 30, 2021		September 30, 2022		September 30, 2021
Cash paid for operating lease liabilities		31,999		31,882		95,996		95,645
Cash paid for finance lease liabilities		2,685		2,685		8,055		8,055
Right-of-use assets obtained in exchange for new operating lease liabilities (1)		-		-		-		663,009
Property and equipment obtained in exchange for new finance lease liabilities		-		-		-		43,242
								0.00	%
Weighted Average Remaining Lease Term
Finance leases (years)					2.3		5.5
Operating leases (years)					4.5		3.3