The ONE Group Hospitality, Inc. Quarterly report [Sections 13 or 15(d)]

Quarterly report [Sections 13 or 15(d)]

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Stock-Based Compensation - Summary of Status of Company's Stock Option Activity (Details)

v3.26.1

Stock-Based Compensation - Summary of Status of Company's Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 28, 2026	Dec. 28, 2025
Shares
Outstanding at the beginning (in shares)	803,156
Cancelled, expired or forfeited (in shares)	(65,942)
Outstanding at the ending (in shares)	737,214	803,156
Exercisable (in shares)	737,214
Weighted average exercise price
Outstanding at the beginning (in dollars per share)	$ 2.99
Cancelled, expired or forfeited (in dollars per share)	2.73
Outstanding at the ending (in dollars per share)	3.02	$ 2.99
Exercisable (in dollars per share)	$ 3.02
Weighted average remaining contractual life (Years)
Weighted average remaining contractual life	3 years 3 months 25 days	3 years 6 months 10 days
Exercisable weighted average remaining contractual life	3 years 3 months 25 days
Intrinsic value
Intrinsic value, Outstanding	$ 171	$ 114
Intrinsic value, Exercisable	$ 171
Non-vested stock options (in shares)	0	0

- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Aggregate Intrinsic Value [Abstract].

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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- Definition

Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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- Definition

Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Number of non-vested options outstanding.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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