Note 14 - Commitments (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

Lease, Cost and Other Information [Table Text Block]

	Three months ended June 30,				Six months ended June 30,
Lease cost	2020		2019		2020		2019
Cash paid for operating lease liabilities		30,820		39,555		48,084		79,109
Cash paid for finance lease liabilities		2,685		-		4,937
Right-of-use assets obtained in exchange for new operating lease liabilities (1)		-		-		663,009		175,557
Property and equipment obtained in exchange for new finance lease liabilities				-		43,242		-
(1) For the Six months ended June 30, 2019, the balance includes operating leases existing as of the adoption of ASC 842 on January 1, 2019.		-		-		-		-
Weighted-average remaining lease term - operating leases (years)		-		-		7		0
Weighted-average remaining lease term- finance leases (years)		-		-		5		0