Note 14 - Supplemental Information of Cash Flows (Tables)

12 Months Ended

May 31, 2026

Notes Tables

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

		2026				2025
Non-cash investing and financing activities:
Preferred dividend accrual		$	-			$	1,610
Equipment purchases in accounts payable		$	89,740			$	-
Equipment purchases transferred to inventory		$	235,028			$	-
Supplemental information:
Interest paid		$	912,896			$	1,029,076
Income taxes paid		$	428,100			$	149,393