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Leases (Details) - Schedule of lease expense	12 Months Ended
	Mar. 31, 2021 USD ($)
Leases (Details) - Schedule of lease expense [Line Items]
Operating lease cost	$ 246,010
Weighted Average Remaining Lease Term (Months) [Member]
Leases (Details) - Schedule of lease expense [Line Items]
Operating lease cost	18
Weighted Average Discount Rate [Member]
Leases (Details) - Schedule of lease expense [Line Items]
Operating lease cost	$ 0.0475

X

- Definition

Amount of operating lease initial direct cost recognized as expense over lease term.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 25
-Paragraph 11
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=123408481&loc=SL77919140-209958

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

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Namespace Prefix:	wfel_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=wfel_WeightedAverageDiscountRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: