XML 66 R55.htm IDEA: XBRL DOCUMENT
v3.22.1

Property, Office Facilities, and Equipment, Net (Narrative) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Total depreciation expense | $ 410,000 | $ 402,000
Contract purchase price | 6,750,000 |
Funded purchase price via cash [Member] |  |
Contract purchase price | 750,000 |
Funded purchase price via notes payable [Member] |  |
Contract purchase price | 2,000,000 |
Funded purchase price via Mortgage [Member] |  |
Contract purchase price | $ 4,000,000 |

X
- Definition Contract purchase price. + References No definition available. + Details
Name: | SIEB_ContractPurchasePrice
Namespace Prefix: | SIEB_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
Name: | us-gaap_Depreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=SIEB_FundedPurchasePriceViaCashMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=SIEB_FundedPurchasePriceViaNotesPayableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=SIEB_FundedPurchasePriceViaLoanAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |