Note 8 - Leases (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2023

Dec. 31, 2022

Notes Tables

Lessee, Operating Lease, Costs, Assets and Liabilities [Table Text Block]

	Three Months ended March 31, 2023		Three Months ended March 31, 2022
Lease cost
Operating lease cost	$	-	$	55,219
Total lease cost	$	-	$	55,219

Balance sheet information	March 31, 2023			December 31, 2022
Operating right-of-use assets	$	131,223		$	197,355
Operating lease liabilities, current portion	$	96,584		$	159,665
Operating lease liabilities, non-current portion		33,366			37,829
Total operating lease liabilities	$	129,950		$	197,494
Weighted average remaining lease term (in years) – operating leases		0.66			0.96
Weighted average discount rate – operating leases		5.50	%		5.50	%
Supplemental cash flow information related to leases were as follows:
Cash paid for amounts included in the measurement of operating lease liabilities for the three months ended March 31, 2023 and 2022:	$	69,821		$	65,108
Maturities of operating lease liabilities were as follows as of March 31, 2023:
2023 (9 months remaining)	$	95,911
2024		38,808
Total future lease payments	$	134,719
Less: imputed interest		(4,769	)
Total	$	129,950

	Year ended December 31, 2022			Year ended December 31, 2021
Lease cost
Operating lease cost	$	254,649		$	255,892
Total lease cost	$	254,649		$	255,892
Balance sheet information
Operating right-of-use assets	$	197,355		$	254,100
Operating lease liabilities, current portion	$	159,665		$	177,188
Operating lease liabilities, non-current portion		37,829			86,974
Total operating lease liabilities	$	197,494		$	264,162
Weighted average remaining lease term (in years) – operating leases		0.96			1.45
Weighted average discount rate – operating leases		5.50	%		5.50	%
Supplemental cash flow information related to leases were as follows:
Cash paid for amounts included in the measurement of operating lease liabilities	$	259,558		$	256,977
Maturities of operating lease liabilities were as follows as of December 31, 2022:
2023	$	164,596
2024		38,808
Total future lease payments	$	203,404
Less: imputed interest		(5,910	)
Total	$	197,494