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 http://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 http://asc.fasb.org/extlink&oid=124433917&loc=SL114874205-224268

+ Details

Name:	us-gaap_ProfessionalFees
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

Name:	whlm_ChargesFromUnauthorizedTransfersOfFundsAmount
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

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

- Definition

Represents the recovered amount from unauthorized transfers of funds.

+ References

No definition available.

+ Details

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

- Definition

Represents the amount related to unauthorized transfers of funds.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_OperatingExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_AccountsReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 13 - Cybersecurity Incident (Details Textual) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended
	Feb. 28, 2022	Nov. 30, 2021	Dec. 31, 2021
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] \| Subsequent Event [Member]
Recovered from Unauthorized Transfers of Funds, Amount	$ 200