Note 15 - Regulatory (Details Textual) - Dominari Securities [Member] $ in Millions	Jun. 30, 2026 USD ($)
Ratio of Indebtedness to Net Capital	15
Broker-Dealer, Net Capital	$ 18.2
Broker-Dealer, Minimum Net Capital Required, Aggregate Indebtedness Standard	$ 0.6

Minimum amount of net capital required to be maintained by broker-dealer and its subsidiary, calculated under Aggregate Indebtedness Standard.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Rule 15c3-1
-Number 240
-Section 15c3-1
-Publisher SEC

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Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant