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Stock compensation expense by functional category (Details) - USD ($) | 12 Months Ended
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Apr. 30, 2024 | Apr. 30, 2023
Share-Based Payment Arrangement [Abstract] |  |
Research and development | $ 395,105 | $ 692,947
Sales and marketing | 562,110 | 566,153
General and administrative | 2,652,052 | 2,397,624
Total | $ 3,609,267 | $ 3,656,724

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Namespace Prefix: | RCAT_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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Data Type: | xbrli:monetaryItemType
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Period Type: | duration

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