A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07.2(a),(b),(c),(d))
-URI https://asc.fasb.org/extlink&oid=120401555&loc=SL114874292-224272

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 220
-Section 45
-Paragraph 3
-Subparagraph (k)
-URI https://asc.fasb.org/extlink&oid=124433917&loc=SL114874205-224268

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

- Definition

Represents charges related to unauthorized transfers of funds.

+ References

No definition available.

+ Details

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Namespace Prefix:	whlm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the recoverable amount related to unauthorized transfers of funds.

+ References

No definition available.

+ Details

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Namespace Prefix:	whlm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

represents the amount to be recovered from unauthorized transfers of funds recorded as receivable.

+ References

No definition available.

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Namespace Prefix:	whlm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the amount related to unauthorized transfers of funds.

+ References

No definition available.

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Namespace Prefix:	whlm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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Note 12 - Cybersecurity Incident (Details Textual) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended
	Nov. 30, 2021	Dec. 31, 2021	Feb. 28, 2022
Unauthorized Transfers of Funds	$ 700
Professional Fees	$ 10
Recoverable from Unauthorized Transfers of Funds, Amount		$ 600
Operating Expense [Member]
Charges from Unauthorized Transfers of Funds, Amount		$ 600
Accounts Receivable [Member]
Recovered from Unauthorized Transfers of Funds, Amount Receivable			$ 200