XML 87 R77.htm IDEA: XBRL DOCUMENT
v3.23.3

Summary of restricted stock activity under the Plan (Details) - Restricted Stock [Member] - $ / shares | 3 Months Ended |  |
--- | --- | --- | ---
Jul. 31, 2023 | Jul. 31, 2022 | Apr. 30, 2023 | Apr. 30, 2020
[custom:ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockUnvestedAndOutstandingNumber-0] | 842,701 |  | 781,060 | 1,083,675
[custom:SharebasedCompensationSharesRestrictedStockUnvestedAndOutstandingWeightedAverageExercisePrice-0] | $ 2.14 |  | $ 2.44 | $ 2.59
[custom:ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockGrantsInPeriodGross] | 298,643 | 780,884 |  |
[custom:ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockGrantsInPeriodWeightedAverageGrantDateFairValue] | $ 1.06 | $ 2.14 |  |
[custom:SharebasedCompensationArrangementBySharebasedPaymentAwardRestrictedStockNumberVestedInPeriod] | (166,346) | (1,062,372) |  |
[custom:ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockNumberVestedInPeriodWeightedAverageGrantDateFairValue] | $ 1.70 | $ 2.42 |  |
[custom:SharebasedCompensationArrangementBySharebasedPaymentAwardRestrictedStockNonvestedOptionsForfeitedNumberOfShares] | 70,656 | (21,127) |  |
[custom:ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice] | $ 1.25 | $ 2.13 |  |
[custom:SharebasedCompensationArrangementBySharebasedPaymentAwardRestrictedStockNonvestedOptionsForfeitedNumberOfShares] | (70,656) | 21,127 |  |

X
- References No definition available. + Details
Name: | RCAT_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
Namespace Prefix: | RCAT_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

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

X
- References No definition available. + Details
Name: | RCAT_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | RCAT_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | RCAT_ShareBasedCompensationArrangementByShareBasedPaymentAwardRestrictedStockNumberVestedInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | RCAT_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | duration

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

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

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

X
- References No definition available. + Details
Name: | RCAT_SharebasedCompensationSharesRestrictedStockUnvestedAndOutstandingWeightedAverageExercisePrice
Namespace Prefix: | RCAT_
Data Type: | dtr-types:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | RCAT_ShareBasedCompensationSharesRestrictedStockAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |