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Note 17 – Share Based Awards (Details Narrative) - USD ($) | 3 Months Ended
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Jul. 31, 2022 | Jul. 31, 2021
Share-Based Payment Arrangement [Abstract] |  |
[custom:NumberOfSharesIssuableInConnectionWithAwardsUnderPlanMaximum] | 8,750,000 |
[custom:UnrecognizedStockBasedCompensationExpenseRelatedToUnvestedStockOptions] | $ 2,760,989 | $ 1,592,188
[custom:StockCompensationExpensePertainingToOptions] | $ 458,023 | $ 187,494

X
- References No definition available. + Details
Name: | RCAT_NumberOfSharesIssuableInConnectionWithAwardsUnderPlanMaximum
Namespace Prefix: | RCAT_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | RCAT_StockCompensationExpensePertainingToOptions
Namespace Prefix: | RCAT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | RCAT_UnrecognizedStockBasedCompensationExpenseRelatedToUnvestedStockOptions
Namespace Prefix: | RCAT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration