Annual report pursuant to Section 13 and 15(d)

Note 1 - The Company, Organization and Description of Business (Details Textual)

v3.7.0.1
Note 1 - The Company, Organization and Description of Business (Details Textual)
3 Months Ended 12 Months Ended
Mar. 26, 2017
Dec. 25, 2016
Dec. 25, 2016
Sep. 25, 2016
Dec. 27, 2015
Dec. 28, 2014
Franchised Units [Member] | International [Member]            
Number of Restaurants   20 20      
Ruths Chris Steak House [Member]            
Number of Restaurants   150 150 149 148  
Number of Restaurants Opened During Period   1 4      
Ruths Chris Steak House [Member] | Entity Operated Units [Member]            
Number of Restaurants   68 68 68 67  
Number of Restaurants Opened During Period   0 2      
Ruths Chris Steak House [Member] | Entity Operated Units [Member] | Albuquerque, NM and EI Paso, TX [Member]            
Number of Restaurants Opened During Period     2      
Ruths Chris Steak House [Member] | Entity Operated Units [Member] | Waltham, MA [Member] | Subsequent Event [Member]            
Number of Restaurants Opened During Period 1          
Ruths Chris Steak House [Member] | Entity Operated Units [Member] | Tulsa, OK [Member] | Subsequent Event [Member]            
Number of Restaurants Opened During Period 1          
Ruths Chris Steak House [Member] | Franchised Units [Member]            
Number of Restaurants   81 81 80 80  
Number of Restaurants Opened During Period   1 2      
Ruths Chris Steak House [Member] | Franchised Units [Member] | International [Member]            
Number of Restaurants   20 20      
Ruths Chris Steak House [Member] | Franchised Units [Member] | Jakarta, Indonesia and Greenville, SC [Member]            
Number of Restaurants Opened During Period     2      
Ruths Chris Steak House [Member] | Managed [Member]            
Number of Restaurants   1 1      
Mitchells Fish Market [Member] | Company-owned Fish Market Restaurants [Member]            
Number of Restaurants           18
Camerons Mitchell Steak house [Member] | Company-owned Steakhouse Restaurants [Member]            
Number of Restaurants           3