Note 17 - Equity - Shares Outstanding of Stockholders' Equity of the Company (Details) - Cohen & Company [Member] - Common Stock [Member]	6 Months Ended
	Jun. 30, 2022 shares
Shares, outstanding (in shares)	1,331,150
Vesting of shares (in shares)	113,234
Shares withheld for employee taxes and retired (in shares)	(15,501)
Repurchase and retirement of Common Stock (in shares)	0
Shares, outstanding (in shares)	1,428,883