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Prepayments and Other Receivables (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Mar. 31, 2024
--- | --- | ---
Schedule of Prepayments and Other Current Assets [Abstract] |  |
Prepayments to vendors | $ 1.6 | $ 0.1

X
- Definition The amount of prepayments to vendors. + References No definition available. + Details
Name: | flye_PrepaymentsToVendors
Namespace Prefix: | flye_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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