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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 |  |  |

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- Definition Threshold period past due for trade accounts receivable to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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