Earnings (Loss) Per Share - Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share [Abstract]
Net loss attributable to Xcel Brands, Inc. stockholders	$ (2,797)	$ (6,294)
Basic weighted average common shares outstanding	2,373,583	2,037,397
Diluted weighted average number of shares outstanding	2,373,583	2,037,397
Basic net income (loss) per share	$ (1.18)	$ (3.09)
Diluted net income (loss) per share	$ (1.18)	$ (3.09)

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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+ Details

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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+ Details