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Stock compensation expense by functional category (Details) - USD ($) | 3 Months Ended
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Jul. 31, 2024 | Jul. 31, 2023
Share-Based Payment Arrangement [Abstract] |  |
Research and development | $ 94,422 | $ 127,417
Sales and marketing | 116,543 | 165,309
General and administrative | 1,235,073 | 618,880
Total | $ 1,446,038 | $ 911,606

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- References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

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

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