Note 14 - Commitments (Tables)

9 Months Ended

Sep. 30, 2021

Notes Tables

Lease, Cost and Other Information [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
Lease cost	2021		2020		2021		2020
Cash paid for operating lease liabilities		31,882		30,820		95,645		78,904
Cash paid for finance lease liabilities		2,658		2,685		8,055		76,622
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
(1) For the nine months ended September 30, 2021, the balance includes operating leases existing as of the adoption of ASC 842 on January 1, 2021
Weighted-average remaining lease term - operating leases (years)		-		-		5.5		6.5
Weighted-average remaining lease term- finance leases (years)		-		-		3.3		4.3