Subsequent Events (Notes)	12 Months Ended
Subsequent Events (Notes)	Dec. 31, 2017
Subsequent Events [Abstract]
Subsequent Events [Text Block]	SUBSEQUENT EVENTS Credit Agreement Amendments On February 9, 2018 and March 14, 2018 the Company entered into a Third and Fourth Amendment, respectively, to the 2014 Credit Agreement which are described in Note 5. Merger Agreement between Bravo Brio Restaurant Group, Inc. by affiliates of GP Investments, Ltd. and Spice Private Equity Ltd. As previously announced, on March 7, 2018, the Company entered into a definitive Agreement and Plan of Merger (the "Merger Agreement") with Bugatti Parent, Inc., a Delaware corporation (“Parent”), and Bugatti Merger Sub, Inc., an Ohio corporation and a wholly-owned subsidiary of Parent (“Merger Sub”). Parent and Merger Sub are investment affiliates of GP Investments, Ltd. (“GP”) and Spice Private Equity Ltd. (“Spice”). Pursuant to the Merger Agreement, upon the closing of the transactions contemplated by the Merger Agreement (i) Merger Sub shall be merged with and into the Company and the Company will survive as a wholly-owned subsidiary of Parent and (ii) each common share, no par value per share (the “Company Common Shares”) (other than treasury stock and any Company Common Stock owned by the Company, Parent, Merger Sub, any of their wholly owned subsidiaries, or any person who properly demands statutory appraisal of their shares) of the Company will be converted into the right to receive an amount in cash equal to $4.05, without interest. The consummation of the transactions contemplated by the Agreement and Plan of Merger will result in the repayment in full of the Company’s obligations under its senior secured credit facility prior to maturity as the transactions are anticipated to be consummated on or before September 7, 2018.

Bravo Brio Restaurant Group, Inc. 10-K