XML 55 R47.htm IDEA: XBRL DOCUMENT
v3.23.2

Receivables From, Payables To, and Deposits With Broker-Dealers and Clearing Organizations (Details) - USD ($) | 1 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2022 | Jun. 30, 2023 | Dec. 31, 2022
Receivables From, Payables To, and Deposits With Broker-Dealers and Clearing Organizations (Details) [Line Items] |  |  |
Common stock value |  | $ 406,000 | $ 325,000
Fund escrow deposit | $ 50,000 |  |
Cash |  | 1,300,000 |
MSCO shares of DTCC [Member] |  |  |
Receivables From, Payables To, and Deposits With Broker-Dealers and Clearing Organizations (Details) [Line Items] |  |  |
Common stock value |  | $ 1,236,000 | $ 1,054,000

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

X
- Definition Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481372/852-10-55-10 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(22)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_CommonStockValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase (decrease) in deposit liabilities classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-8 + Details
Name: | us-gaap_IncreaseDecreaseInOtherDeposits
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of reorganization value related to cash in excess of normal operating requirements generated by operations. Reorganization value is the amount attributed to the reconstituted entity, as well as the expected net realizable value of those assets that will be disposed before reconstitution occurs. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481372/852-10-55-5 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481404/852-10-50-7 + Details
Name: | us-gaap_ReorganizationValueCashInExcessOfNormalOperatingNeeds
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | srt_TitleOfIndividualAxis=sieb_MSCOSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |