The ONE Group Hospitality, Inc. Annual report pursuant to Section 13 and 15(d)

Outstanding Warrants (Detail Textuals) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended		12 Months Ended
	Aug. 11, 2016	Oct. 24, 2016	Jun. 27, 2016	Dec. 31, 2017	Nov. 15, 2017	Oct. 16, 2013
Class of Warrant or Right [Line Items]
Number of shares exchanged for warrants exercised (in shares)						5,800,000
Exercise price of warrants (in dollars per share)						$ 5.00
Securities purchase agreement
Class of Warrant or Right [Line Items]
Number of shares exchanged for warrants exercised (in shares)					875,000
Exercise price of warrants (in dollars per share)					$ 1.63
Fair value of warrant				$ 0.4
Ontario
Class of Warrant or Right [Line Items]
Number of shares exchanged for warrants exercised (in shares)			100,000
Exercise price of warrants (in dollars per share)			$ 2.61
Fair value of warrant			$ 0.1
Number of warrants available for grant				100,000
Anson \| August Note
Class of Warrant or Right [Line Items]
Number of shares exchanged for warrants exercised (in shares)	300,000
Exercise price of warrants (in dollars per share)	$ 2.61
Fair value of warrant	$ 0.4
Number of warrants available for grant				300,000
Anson \| October Note
Class of Warrant or Right [Line Items]
Number of shares exchanged for warrants exercised (in shares)		340,000
Exercise price of warrants (in dollars per share)		$ 2.39
Fair value of warrant		$ 0.4
Number of warrants available for grant				340,000
Class of warrant percentage of common stock issued and outstanding		9.99%