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Condensed Financial Statements: Schedule of Inventory, Current (Details) - USD ($)
Nov. 30, 2023
May 31, 2023
Details    
Raw materials $ 827,530 $ 673,453
Work-in-process 5,737,617 5,005,416
Finished goods 355,541 330,435
Inventory, Gross 6,920,688 6,009,304
Less allowance for obsolescence 64,000 68,000
Inventory, Net $ 6,856,688 $ 5,941,304