Subsequent Events	12 Months Ended
Dec. 31, 2021
Subsequent Events [Abstract]
Subsequent Events	25. Subsequent Events The Company has evaluated events that have occurred subsequent to December 31, 2021 and through March 30, 2022, the date of the filing of this report. From January 31, 2022 to the date of this Report, RISE issued and Siebert sold membership interests in RISE to certain employees, directors, and affiliates of RISE and Siebert. This amount represented, as of the date of this Report, an aggregate of 7% of the total issued and outstanding membership interests in RISE. Transaction with Hedge Connection On January 21, 2022, RISE entered into an agreement with Hedge Connection, Inc. (“Hedge Connection”), a Florida corporation and a woman-owned fintech company founded by Lisa Vioni that provides capital introduction software solutions for the prime brokerage industry. Pursuant to the agreement, Hedge Connection transferred to RISE common stock representing twenty percent (20%) of the outstanding post-closing issued and outstanding capitalization in Hedge Connection and an option from Ms. Vioni to acquire 100% of the remaining interest in Hedge Connection at fair value market at the time of the option exercise, provided such valuation of Hedge Connection is not less than $5 million for a consideration of $1,000,000. This consideration is to be paid in three cash installments over 180 days totaling $600,000 as well as approximately 3.33% of the issued and outstanding membership interests of RISE. In addition, RISE acquired a technology license agreement from Hedge Connection to use its capital introduction software, Fintroz, for an annual license fee of $250,000, Ms. Vioni provided RISE with the right to appoint one director to the Board of Directors of Hedge Connection, and Ms. Vioni was appointed to the Board of Directors of RISE as well as to the position of President of RISE Prime – Capital Introduction, a division of RISE. Shelf Registration Statement On February 18, 2022, the Company filed a shelf registration statement on Form S-3 with the SEC, File No. 333-262895, pursuant to General Instruction I.B.6 to Form S-3 (the “Baby Shelf Rule”), that was declared effective on March 2, 2022 (the “Registration Statement”). The Company may from time to time sell any combination of the securities described in the Registration Statement in one or more offerings up to an aggregate offering price of $100.0 million; provided, however, at the time the Company sells securities pursuant to the Registration Statement, the amount of securities to be sold plus the amount of any securities it has sold during the prior twelve months in reliance on General Instruction I.B.6 may not exceed one-third of the aggregate market value of the Company’s outstanding Common Stock held by non-affiliates as of a day during the 60 days immediately preceding such sale as computed in accordance with Instruction I.B.6 while the Company remains subject to the Baby Shelf Rule. Other than the events described above, there have been no material subsequent events that occurred during such period that would require disclosure in this report or would be required to be recognized in the consolidated financial statements as of December 31, 2021.

Subsequent Events

12 Months Ended

Dec. 31, 2021

25. Subsequent Events

The Company has evaluated events that have occurred subsequent to December 31, 2021 and through March 30, 2022, the date of the filing of this report.

From January 31, 2022 to the date of this Report, RISE issued and Siebert sold membership interests in RISE to certain employees, directors, and affiliates of RISE and Siebert. This amount represented, as of the date of this Report, an aggregate of 7% of the total issued and outstanding membership interests in RISE.

Transaction with Hedge Connection

On January 21, 2022, RISE entered into an agreement with Hedge Connection, Inc. (“Hedge Connection”), a Florida corporation and a woman-owned fintech company founded by Lisa Vioni that provides capital introduction software solutions for the prime brokerage industry.

Pursuant to the agreement, Hedge Connection transferred to RISE common stock representing twenty percent (20%) of the outstanding post-closing issued and outstanding capitalization in Hedge Connection and an option from Ms. Vioni to acquire 100% of the remaining interest in Hedge Connection at fair value market at the time of the option exercise, provided such valuation of Hedge Connection is not less than $5 million for a consideration of $1,000,000. This consideration is to be paid in three cash installments over 180 days totaling $600,000 as well as approximately 3.33% of the issued and outstanding membership interests of RISE.

In addition, RISE acquired a technology license agreement from Hedge Connection to use its capital introduction software, Fintroz, for an annual license fee of $250,000, Ms. Vioni provided RISE with the right to appoint one director to the Board of Directors of Hedge Connection, and Ms. Vioni was appointed to the Board of Directors of RISE as well as to the position of President of RISE Prime – Capital Introduction, a division of RISE.

Shelf Registration Statement

On February 18, 2022, the Company filed a shelf registration statement on Form S-3 with the SEC, File No. 333-262895, pursuant to General Instruction I.B.6 to Form S-3 (the “Baby Shelf Rule”), that was declared effective on March 2, 2022 (the “Registration Statement”). The Company may from time to time sell any combination of the securities described in the Registration Statement in one or more offerings up to an aggregate offering price of $100.0 million; provided, however, at the time the Company sells securities pursuant to the Registration Statement, the amount of securities to be sold plus the amount of any securities it has sold during the prior twelve months in reliance on General Instruction I.B.6 may not exceed one-third of the aggregate market value of the Company’s outstanding Common Stock held by non-affiliates as of a day during the 60 days immediately preceding such sale as computed in accordance with Instruction I.B.6 while the Company remains subject to the Baby Shelf Rule.

Other than the events described above, there have been no material subsequent events that occurred during such period that would require disclosure in this report or would be required to be recognized in the consolidated financial statements as of December 31, 2021.