v3.26.3
Loss Per Share - Summary of Net Loss Per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 27, 2026
Sep. 28, 2025
Sep. 27, 2026
Sep. 28, 2025
Loss Per Share        
Net loss attributable to The ONE Group Hospitality, Inc. $ (16,106) $ (76,740) $ (15,026) $ (85,869)
Series A Preferred Stock paid-in-kind dividend and accretion (10,340) (8,535) (29,591) (24,263)
Net loss available to common stockholders (26,446) (85,275) (44,617) (110,132)
Net loss available to common stockholders, diluted $ (26,446) $ (85,275) $ (44,617) $ (110,132)
Basic weighted average shares outstanding 33,647,994 32,872,423 33,438,816 32,887,768
Diluted weighted average shares outstanding 33,647,994 32,872,423 33,438,816 32,887,768
Basic net loss per common share $ (0.79) $ (2.59) $ (1.33) $ (3.35)
Diluted net loss per common share $ (0.79) $ (2.59) $ (1.33) $ (3.35)