Note 11 - Commitments (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Lease, Cost and Other Information [Table Text Block]

	March 31, 2023			March 31, 2022
Cash paid for operating lease liabilities	$	32,694		$	31,882
Cash paid for finance lease liabilities		2,685			2,685
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)	1.8 years			2.8 years
Operating leases (years)	4 years			5 years
Weighted-average discount rate – operating leases		9.20	%		9.20	%
Weighted-average discount rate – finance leases		9.20	%		9.20	%