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Note 21 - Equity - Shares Outstanding of Stockholders' Equity of the Company (Details) - shares | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Repurchase and retirement of common stock (in shares) |  | (1,211,810) | (318,900) | (750,810)
Cohen & Company [Member] |  |  |  |
Shares, outstanding (in shares) | [1] | 1,193,624 | 1,204,196 | 1,213,022
Issuance of shares (in shares) |  |  |  |
Issuance as equity-based compensation (in shares) |  | 268,129 | 36,875 | 73,685
Vesting of shares (in shares) |  |  |  |
Vesting of shares (in shares) |  |  |  |
Shares withheld for employee taxes (in shares) |  | (15,043) | (15,557) | (7,430)
Forfeiture / cancellation of restricted stock (in shares) |  |  |  |
Repurchase and retirement of common stock (in shares) |  | (121,181) | (31,890) | (75,081)
Forfeiture / cancellation of restricted stock (in shares) |  |  |  |
Shares, outstanding (in shares) | [1] | 1,325,529 | 1,193,624 | 1,204,196
Cohen & Company [Member] | Restricted Stock [Member] |  |  |  |
Shares, outstanding (in shares) | [1] | 73,715 | 93,479 | 76,932
Issuance of shares (in shares) |  |  |  |
Issuance as equity-based compensation (in shares) |  | 268,129 | 36,875 | 73,685
Vesting of shares (in shares) |  | 55,278 | 56,639 | 57,138
Vesting of shares (in shares) |  | (55,278) | (56,639) | (57,138)
Shares withheld for employee taxes (in shares) |  |  |  |
Forfeiture / cancellation of restricted stock (in shares) |  |  |  |
Repurchase and retirement of common stock (in shares) |  |  |  |
Forfeiture / cancellation of restricted stock (in shares) |  |  |  |
Shares, outstanding (in shares) | [1] | 286,566 | 73,715 | 93,479
Cohen & Company [Member] | Common Stock [Member] |  |  |  |
Shares, outstanding (in shares) | [1] | 1,119,909 | 1,110,717 | 1,136,090
Issuance of shares (in shares) |  |  |  |
Issuance as equity-based compensation (in shares) |  |  |  |
Vesting of shares (in shares) |  | 55,278 | 56,639 | 57,138
Vesting of shares (in shares) |  | (55,278) | (56,639) | (57,138)
Shares withheld for employee taxes (in shares) |  | (15,043) | (15,557) | (7,430)
Forfeiture / cancellation of restricted stock (in shares) |  |  |  |
Repurchase and retirement of common stock (in shares) |  | (121,181) | (31,890) | (75,081)
Forfeiture / cancellation of restricted stock (in shares) |  |  |  |
Shares, outstanding (in shares) | [1] | 1,038,963 | 1,119,909 | 1,110,717
[1] | Excludes remaining restricted units of Cohen & Company Inc. Common Stock. See note 22.

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