XML 62 R53.htm IDEA: XBRL DOCUMENT
v3.22.1

Other Equity Investment in Related Party, at Fair Value (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2022 | Mar. 31, 2021
Aggregate amount | $ 108,000 | $ 0

X
- Definition Aggregate amount. + References No definition available. + Details
Name: | SIEB_AggregateAmount
Namespace Prefix: | SIEB_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration