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ACQUISITIONS - Pro forma (Details) - FRG Investment | 3 Months Ended
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Mar. 31, 2023 USD ($) $ / shares shares
Business Acquisition [Line Items] |
Revenues | $ 432,090,000
Net income attributable to B. Riley Financial, Inc. | 14,870,000
Net income attributable to common shareholders | $ 12,858,000
Basic loss per share (in dollars per share) | $ / shares | $ 0.42
Diluted loss per share (in dollars per share) | $ / shares | $ 0.41
Weighted average basic shares outstanding (in shares) | shares | 30,676,246
Weighted average diluted shares outstanding (in shares) | shares | 31,604,344

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