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Subsequent Events (Details)								12 Months Ended
	Apr. 30, 2025 shares	Mar. 31, 2025 shares	Mar. 24, 2025 USD ($) shares	Mar. 12, 2025	Feb. 28, 2025 shares	Jan. 31, 2025 shares	Apr. 12, 2024	Dec. 31, 2024 shares	Mar. 23, 2025 shares	Dec. 31, 2023 shares
Subsequent Event [Line Items]
Common stock, shares outstanding (in shares)			2,379,508					2,368,072		1,979,413
Reverse stock split ratio								0.1
Amended Services Agreement | If Royalties Receivable Less Than Specified Amount
Subsequent Event [Line Items]
Ownership equity transferable							12.50%
WHP | Amended Services Agreement | IM Topco, LLC
Subsequent Event [Line Items]
Ownership interest							70.00%
WHP | Amended Services Agreement | IM Topco, LLC | If Royalties Receivable Less Than Specified Amount
Subsequent Event [Line Items]
Ownership interest							82.50%
Xcel Brands | Amended Services Agreement | IM Topco, LLC
Subsequent Event [Line Items]
Ownership interest							30.00%
Xcel Brands | Amended Services Agreement | IM Topco, LLC | If Royalties Receivable Less Than Specified Amount
Subsequent Event [Line Items]
Ownership interest							17.50%
Subsequent Events
Subsequent Event [Line Items]
Fractional shares, post split			1,120
Fractional shares, pre split basis			112
Cash payments made in lieu of fractional shares | $			$ 1,000
Common stock, shares outstanding (in shares)									23,796,200
Reverse stock split ratio				0.10
Subsequent Events | Minimum
Subsequent Event [Line Items]
Reverse stock split ratio				0.5
Subsequent Events | Maximum
Subsequent Event [Line Items]
Reverse stock split ratio				0.10
Subsequent Events | Chief Executive Officer and Executive Vice President
Subsequent Event [Line Items]
Shares issued	8,917	6,874			6,854	4,582
Subsequent Events | WHP | IM Topco, LLC
Subsequent Event [Line Items]
Percentage of ownership equity interest						12.50%

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