Note 8 - Leases (Tables)

9 Months Ended

Feb. 28, 2026

Notes Tables

Schedule of Financing Lease [Table Text Block]

	February 28,		May 31,
	2026		2025
Non-cancelable financing leases	$	-	$	4,457
Less: Current portion		-		(4,457	)
Non-cancelable financing leases, net of current portion	$	-	$	-

	February 28,			May 31,
	2026			2025
Production equipment under financing leases	$	24,431		$	24,431
Less: Accumulated amortization		(21,174	)		(17,509	)
Production equipment under financing leases, net	$	3,257		$	6,922

Schedule of Operating Lease [Table Text Block]

	February 28,			May 31,
	2026			2025
Liability under operating leases	$	4,942,277		$	5,168,301
Less: Current portion		(318,811	)		(303,815	)
Long-term portion of liability under operating leases	$	4,623,466		$	4,864,486

Lease, Cost [Table Text Block]

	February 28,			February 28,
	2026			2025
Lease Expense
Financing lease expense -
Amortization of right-of-use assets	$	3,665		$	10,660
Interest on lease liabilities		55			432
Operating lease expense		477,120			477,715
Short-term lease expense		1,192,063			1,123,611
Total	$	1,672,903		$	1,612,418
Other Information
Cash paid for amounts included in the measurement of lease liabilities for finance leases -
Operating cash flows	$	55		$	432
Financing cash flows	$	4,457		$	15,440
Cash paid for amounts included in the measurement of lease liabilities for operating leases -
Operating cash flows	$	456,750		$	458,041
Weighted-average remaining lease term (in years) -
Financing leases		-			0.8
Operating leases		11.0			12.0
Weighted-average discount rate -
Financing leases		-			3.37	%
Operating leases		6.11	%		6.12	%

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

	Operating
	Leases
Twelve months ending February 28, 2027	$	609,000
Twelve months ending February 28, 2028		624,610
Twelve months ending February 28, 2029		635,760
Twelve months ending February 28, 2030		623,260
Twelve months ending February 28, 2031		560,760
Thereafter		3,738,010
Total future minimum lease payments		6,791,400
Less: Imputed interest		(1,849,123	)
Present value of minimum lease payments	$	4,942,277