XML 83 R73.htm IDEA: XBRL DOCUMENT
v3.23.1

Deferred Contract Incentive (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Deferred Contract Incentive (Details) [Line Items] |  |
Business development credit | $ 3,000,000 |
Annual credits | 4 |
Annual credits value | $ 100,000 |
Business development description | The business development credit and annual credits will be recognized as contra expense over four years and one year, respectively, in the line item “Clearing fees, including execution costs” on the statements of operations. The amendment also provides for an early termination fee if the Company chooses to end its agreement before the end of the contract term. |
Contra expense | $ 850,000 | $ 354,000
National Financial Services LLC [Member] |  |
Deferred Contract Incentive (Details) [Line Items] |  |
Business development credit | 3,000,000 |
Deferred contract incentive | $ 2,000,000 | $ 2,700,000

X
- Definition Annual Credits. + References No definition available. + Details
Name: | sieb_AnnualCredits
Namespace Prefix: | sieb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Business Development Description. + References No definition available. + Details
Name: | sieb_BusinessDevelopmentDescription
Namespace Prefix: | sieb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Contra expense during the period. + References No definition available. + Details
Name: | sieb_ContraExpense
Namespace Prefix: | sieb_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Deferred contract incentive. + References No definition available. + Details
Name: | sieb_DeferredContractIncentive
Namespace Prefix: | sieb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | sieb_DeferredContractIncentiveDetailsLineItems
Namespace Prefix: | sieb_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of annual credits + References No definition available. + Details
Name: | sieb_NumberOfAnnualCredits
Namespace Prefix: | sieb_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business development involves the development of products and services, their delivery, design and their implementation. Business development includes a number of techniques designed to grow an economic enterprise. Such techniques include, but are not limited to, assessments of marketing opportunities and target markets, intelligence gathering on customers and competitors, generating leads for possible sales, follow-up sales activity, formal proposal writing and business model design. Business development involves evaluating a business and then realizing its full potential, using such tools as marketing, sales, information management and customer service. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(6)) -URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227 + Details
Name: | us-gaap_BusinessDevelopment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=sieb_NationalFinancialServicesLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |