SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)						3 Months Ended			6 Months Ended		12 Months Ended
	May 10, 2024	Sep. 28, 2023	Mar. 07, 2023	Jan. 22, 2021	Jul. 21, 2020	Nov. 30, 2024	Aug. 31, 2024	Nov. 30, 2023	Nov. 30, 2024	Nov. 30, 2023	May 31, 2024	May 31, 2023
Product Information [Line Items]
Accumulated deficit						$ 50,461,000			$ 50,461,000		$ 48,195,000
Cash and cash equivalents						2,372,000			2,372,000		$ 4,170,000
Working capital						$ 4,069,000			4,069,000
Sale of stock, consideration received on transaction	$ 5,500,000			$ 15,000,000	$ 90,000,000
Proceeds from issuance of common stock									$ 392,000
Average trading volume shares	886,303
Share price						$ 0.48			$ 0.48		$ 0.26
Common stock issuance value		$ 20,000,000				$ 567,000
Deferred offering costs	$ 81,000
Revenues						1,636,000		$ 1,567,000	$ 3,444,000	3,281,000
Other receivables, gross, current						1,353,000			$ 1,353,000		$ 966,000
Threshold period past due for write-off of trade accounts receivable									90 days
Accounts receivable, credit loss expense (Reversal)						27,000			$ 27,000		19,000
Prepaid expense and other assets						458,000			458,000		238,000
Inventory reserves						469,000			469,000		467,000
Amortization of intangible assets						4,000		4,000	8,000	8,000
Intangible asset impairment charges									0	0
Investments						165,000			165,000		$ 165,000
Share-based payment arrangement, expense						155,000		122,000	232,000	292,000
Proceeds from customers									85,000
Research and development expense						257,000		412,000	554,000	883,000
Income tax expense						3,000		(8,000)		(31,000)
Advertising expense						12,000		26,000	$ 26,000	$ 56,000
Antidilutive securities excluded from computation of earnings per share, amount (in shares)									3,214,616	2,280,116
Polish Distributor [Member]
Product Information [Line Items]
Investments						$ 165,000			$ 165,000
Equity method investment, ownership percentage						6.00%			6.00%
Marketing and Distribution Rights [Member]
Product Information [Line Items]
Finite-lived intangible asset, useful life						18 years			18 years
Purchased Technology Rights [Member]
Product Information [Line Items]
Finite-lived intangible asset, useful life						10 years			10 years
Patents [Member]
Product Information [Line Items]
Finite-lived intangible asset, useful life						15 years			15 years
Property, Plant and Equipment [Member]
Product Information [Line Items]
Depreciation and amortization expense						$ 17,000		15,000	$ 34,000	$ 30,000
Asia [Member]
Product Information [Line Items]
Revenues						431,000		606,000	1,248,000	1,632,000
North America [Member]
Product Information [Line Items]
Revenues						$ 551,000		$ 320,000	$ 978,000	$ 676,000
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Four Key Customers [Member] | Middle East Asia and Europe [Member]
Product Information [Line Items]
Concentration risk, percentage						58.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Key Customers [Member] | Foreign Countries [Member]
Product Information [Line Items]
Concentration risk, percentage								52.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Two Key Customers [Member] | North America and Asia [Member]
Product Information [Line Items]
Concentration risk, percentage									46.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | One Key Customers [Member] | Asia [Member]
Product Information [Line Items]
Concentration risk, percentage									49.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Four Key Customers [Member] | Asia and Europe [Member]
Product Information [Line Items]
Concentration risk, percentage							64.00%
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Five Key Customers [Member] | North America [Member]
Product Information [Line Items]
Concentration risk, percentage							78.00%
Cost of Goods and Service, Product and Service Benchmark [Member] | Customer Concentration Risk [Member] | Two Key Vendors [Member]
Product Information [Line Items]
Concentration risk, percentage									41.00%		69.00%
Cost of Goods and Service, Product and Service Benchmark [Member] | Supplier Concentration Risk [Member] | Two Key Vendors [Member]
Product Information [Line Items]
Concentration risk, percentage						32.00%			24.00%
Cost of Goods and Service, Product and Service Benchmark [Member] | Supplier Concentration Risk [Member] | Five Key Vendors [Member]
Product Information [Line Items]
Concentration risk, percentage								75.00%		76.00%
Minimum [Member]
Product Information [Line Items]
Estimated useful lives						5 years			5 years
Maximum [Member]
Product Information [Line Items]
Estimated useful lives						10 years			10 years
2021 ATM Offering [Member]
Product Information [Line Items]
Sale of stock, consideration received on transaction												$ 2,014,000
Sale of stock, number of shares issued in transaction												573,889
Proceeds from issuance of common stock			$ 7,300,000									$ 1,961,000
Sale of stock expenses			$ 700,000									$ 53,000
Average trading volume shares			3,333,333
Share price			$ 2.40
2021 ATM Offering [Member] | Minimum [Member]
Product Information [Line Items]
Sale of stock, price per share												$ 3.15
2021 ATM Offering [Member] | Maximum [Member]
Product Information [Line Items]
Sale of stock, price per share												$ 4.26
May 2024 ATM Offering [Member]
Product Information [Line Items]
Sale of stock, consideration received on transaction									$ 603,000
Sale of stock, number of shares issued in transaction									1,515,348
Proceeds from issuance of common stock									$ 567,000
Sale of stock expenses									$ 36,000
May 2024 ATM Offering [Member] | Minimum [Member]
Product Information [Line Items]
Sale of stock, price per share						$ 0.36			$ 0.36
May 2024 ATM Offering [Member] | Maximum [Member]
Product Information [Line Items]
Sale of stock, price per share						$ 0.47			$ 0.47