Note 14 - Commitments (Tables)

3 Months Ended

Mar. 31, 2021

Notes Tables

Lease, Cost and Other Information [Table Text Block]

	Three months ended March 31,
Lease cost	2021		2020
Cash paid for operating lease liabilities		31,303		17,264
Cash paid for finance lease liabilities		2,685		2,252
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 three months ended March 31, 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)		6.0		7.0
Weighted-average remaining lease term- finance leases (years)		3.8		4.8