Note 7 - Leases (Tables)

6 Months Ended

Nov. 30, 2023

Notes Tables

Schedule of Financing Lease [Table Text Block]

	November 30, 2023			May 31, 2023
Non-cancellable financing leases	$	40,435		$	60,485
Less: Current portion		(28,698	)		(31,981	)
Non-cancellable financing leases, net of current portion	$	11,737		$	28,504

	November 30, 2023			May 31, 2023
Production equipment under financing leases	$	176,565		$	176,565
Less: Accumulated amortization		(110,844	)		(95,477	)
Production equipment under financing leases, net	$	65,721		$	81,118

Lease, Cost [Table Text Block]

	2023			2022
Lease Expense
Financing lease expense -
Amortization of right-of-use assets	$	15,397		$	180,240
Interest on lease liabilities		1,085			25,261
Operating lease expense		328,070			190,343
Short-term lease expense		801,548			783,360
Total	$	1,146,100		$	1,179,204
Other Information
Cash paid for amounts included in the measurement of lease liabilities for finance leases -
Operating cash flows	$	1,085		$	25,261
Financing cash flows	$	20,008		$	549,029
Cash paid for amounts included in the measurement of lease liabilities for operating leases -
Operating cash flows	$	328,070		$	190,343
Weighted-average remaining lease term (in years) -
Financing leases		1.4			1.9
Operating leases		13.6			14.6
Weighted-average discount rate -
Financing leases		4.2	%		4.7	%
Operating leases		6.0	%		6.0	%

Finance Lease, Liability, to be Paid, Maturity [Table Text Block]

	Financing Leases		Operating Leases
Twelve months ended November 30, 2024	$	29,686	$	543,037
Twelve months ended November 30, 2025		10,463		534,000
Twelve months ended November 30, 2026		1,505		534,000
Twelve months ended November 30, 2027		-		542,920
Twelve months ended November 30, 2028		-		560,760
Thereafter		-		4,999,720
Total future minimum lease payments		41,654		7,714,437
Present value discount		1,219		2,474,340
Present value of minimum lease payments	$	40,435	$	5,240,097