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Business Segment and Geographic Area Information (Details) - USD ($)	3 Months Ended
	Aug. 31, 2023	Aug. 31, 2022	May 31, 2023
Segment Reporting Information [Line Items]
Total net sales	$ 6,106,269	$ 4,237,358
Total segment gross profit	4,647,566	3,282,654
Selling and Marketing	3,206,841	1,977,976
General and Administrative	1,266,968	1,105,277
Consolidated operating income (loss)	173,757	199,401
Consolidated total assets	10,886,566		$ 6,966,572
Consolidated total payments for property and equipment	50,960	6,400
Consolidated total depreciation and amortization	28,237	19,669
Hair Care And Skin Care [Member]
Segment Reporting Information [Line Items]
Total net sales	314,853	485,236
Total segment gross profit	221,524	324,105
Consolidated total assets	4,259,041		781,328
Consolidated total payments for property and equipment
Consolidated total depreciation and amortization	1,418	1,423
Hearing Enhancement And Protection [Member]
Segment Reporting Information [Line Items]
Total net sales	5,791,416	3,752,122
Total segment gross profit	4,426,042	2,958,549
Consolidated total assets	6,627,525		$ 6,185,244
Consolidated total payments for property and equipment	50,960	6,400
Consolidated total depreciation and amortization	$ 26,819	$ 18,246

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