Note 17 - Equity - Shares Outstanding of Stockholders' Equity of the Company (Details) - Cohen & Company [Member] - Common Stock [Member]	9 Months Ended
	Sep. 30, 2024 shares
Shares, outstanding (in shares)	1,526,256
Issuance of shares (in shares)	13,500
Units exchanged into shares (in shares)	7,209
Vesting of shares (in shares)	110,091
Shares withheld for employee taxes and retired (in shares)	(26,195)
Shares, outstanding (in shares)	1,630,861