| Disposal Groups, Including Discontinued Operations [Table Text Block] |
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Three months ended
October 31,
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Six months ended
October 31,
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2023 |
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2022 |
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2023 |
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2022 |
| Revenues |
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$ |
1,056,932 |
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$ |
782,850 |
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$ |
2,926,151 |
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$ |
2,725,570 |
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| Cost of goods sold |
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1,154,200 |
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673,046 |
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2,539,316 |
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2,340,259 |
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| Gross Margin |
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(97,268 |
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109,804 |
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386,835 |
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385,311 |
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| Operating Expenses |
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| Operations |
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173,825 |
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171,055 |
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383,805 |
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332,838 |
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| Research and development |
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31,054 |
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87,958 |
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77,303 |
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170,764 |
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| Sales and marketing |
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287,413 |
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168,013 |
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691,517 |
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363,291 |
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| General and administrative |
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9,982 |
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104,323 |
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53,588 |
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159,484 |
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| Total operating expenses |
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502,274 |
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531,349 |
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1,206,213 |
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1,026,377 |
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| Operating loss |
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(599,542 |
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(421,545 |
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(819,378 |
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(641,066 |
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| Other (income) expense |
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| Interest expense |
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— |
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— |
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22,856 |
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— |
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| Other, net |
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(31 |
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(8,050 |
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(150 |
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(8,174 |
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| Other (income) expense |
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(31 |
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(8,050 |
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22,706 |
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(8,174 |
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| Net loss from discontinued operations |
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$ |
(599,511 |
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$ |
(413,495 |
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$ |
(842,084 |
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$ |
(632,892 |
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| [custom:ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsIncomeStatementBalanceSheetAndAdditionalDisclosuresAssetsAndLiabilitiesTextBlock] |
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October 31, 2023 |
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April 30, 2023 |
| Current assets |
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| Cash |
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$ |
6,310 |
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$ |
86,656 |
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| Accounts receivable, net |
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44,431 |
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61,107 |
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| Inventory |
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2,599,022 |
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3,065,954 |
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| Other |
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1,503,999 |
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2,069,438 |
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| Total current assets |
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4,153,762 |
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5,283,155 |
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| Intangible assets, net |
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20,000 |
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20,000 |
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| Other |
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3,853 |
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3,853 |
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| Operating lease right-of-use assets |
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62,280 |
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84,544 |
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| Total long term assets |
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86,133 |
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108,397 |
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| Current liabilities |
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| Accounts payable |
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$ |
64,777 |
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$ |
606,872 |
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| Accrued expenses |
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96,838 |
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109,480 |
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| Debt obligations - short term |
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166,026 |
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— |
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| Customer deposits |
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43,936 |
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244,688 |
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| Operating lease liabilities |
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53,060 |
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49,461 |
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| Total current liabilities |
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424,637 |
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1,010,501 |
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| Long term liabilities - Operating lease liabilities |
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14,356 |
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41,814 |
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| Working capital |
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$ |
3,729,125 |
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$ |
4,272,654 |
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