Note 13 - Commitments (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Lease, Cost and Other Information [Table Text Block]

	Three months ended				Six months ended
	June 30, 2022		June 30, 2021		June 30, 2022		June 30, 2021
Cash paid for operating lease liabilities		31,999		31,303		63,881		62,606
Cash paid for finance lease liabilities		2,685		2,685		5,370		5,370
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
Weighted Average Remaining Lease Term
Finance leases (years)					2.5 years		5.8 years
Operating leases (years)					4.75 years		3.6 years