v3.3.1.900
NATURE OF BUSINESS AND SIGNIFICANT ACCOUNTING POLICIES (Details)
 3 Months Ended 12 Months Ended
Jan. 03, 2016
USD ($)
Number_of_Restaurants
$ / shares
Sep. 27, 2015
USD ($)
$ / shares
Jun. 28, 2015
USD ($)
$ / shares
Mar. 29, 2015
USD ($)
$ / shares
Dec. 28, 2014
USD ($)
$ / shares
Sep. 28, 2014
USD ($)
$ / shares
Jun. 29, 2014
USD ($)
$ / shares
Mar. 30, 2014
USD ($)
$ / shares
Jan. 03, 2016
USD ($)
Number_of_Restaurants
$ / shares
shares
Dec. 28, 2014
USD ($)
$ / shares
shares
Dec. 29, 2013
USD ($)
$ / shares
shares
Franchisor Disclosure Line Items                      
Number Of Restaurants | Number_of_Restaurants 179               179    
Committed Restaurants | Number_of_Restaurants 58               58    
Number of States in which Entity Operates 33               33    
Number of Commonwealths 1               1    
Number of Canadian Provinces 1               1    
Cash, FDIC Insured Amount $ 250,000               $ 250,000    
Franchisee Marketing Fund Contribution Rate                 1.00% 0.75%  
Restricted cash 1,087,000       $ 648,000       $ 1,087,000 $ 648,000  
Allowance for Doubtful Accounts Receivable, Current 246,000       214,000       246,000 214,000  
Capitalization Threshold 250               250    
Deferred Finance Costs Net 112,000       165,000       112,000 165,000  
Accumulated Amortization Deferred Finance Costs 1,000,000       821,000       1,000,000 821,000  
Interest Costs Capitalized                 0 7,000 $ 30,000
Capitalized Construction Overhead                 0 48,000 138,000
Advertising Expense                 2,500,000 3,000,000 2,900,000
Capitalized Computer Software, Additions                 0 102,000 134,000
Research and Development Expense                 668,000 468,000 388,000
Pre-opening expenses                 1,000 7,000 $ 646,000
Asset Retirement Obligation 111,000       109,000       $ 111,000 $ 109,000  
Basic net income per common share Abstract                      
Weighted average common shares outstanding basic | shares                 6,992,000 7,199,000 7,367,000
Basic net income per common share | $ / shares                 $ (0.63) $ 0.4 $ 0.65
Dilutive impact of common stock equivalents outstanding | shares                 21,000 27,000 281,000
Weighted average common shares outstanding diluted | shares                 7,013,000 7,226,000 7,648,000
Diluted net income per common share | $ / shares                 $ (0.63) $ 0.4 $ 0.62
Net income from continuing operations (307,000) $ 728,000 $ 548,000 $ 99,000 (2,460,000) $ 1,880,000 $ 2,576,000 $ 258,000 $ 1,079,000 $ 2,255,000 $ 3,949,000
Net income (loss) from discontinued operations, net of tax $ (5,636,000) $ (20,000) $ 106,000 $ 89,000 $ (33,000) $ 143,000 $ 275,000 $ 258,000 (5,463,000) 642,000 818,000
Net income                 $ (4,384,000) $ 2,897,000 $ 4,767,000
Income (loss) from continuing operations per basic share | $ / shares $ (0.05) $ 0.1 $ 0.08 $ 0.02 $ (0.34) $ 0.26 $ 0.36 $ 0.03 $ 0.15 $ 0.31 $ 0.54
Income loss from discontinued operations per basic share | $ / shares (0.81) 0 0.02 0.01 (0.01) 0.02 0.04 0.04 (0.78) 0.09 0.11
Income loss from continuing operations per diluted share | $ / shares (0.04) 0.1 0.08 0.01 (0.34) 0.26 0.36 0.03 0.15 0.31 0.52
Income loss from discontinued operations per diluted share | $ / shares $ (0.81) $ 0 $ 0.02 $ 0.01 $ (0.01) $ 0.02 $ 0.04 $ 0.04 $ (0.78) $ 0.09 $ 0.11
Anti-dilutive Securities Excluded From Computation Of Earnings Per Share Amount | shares                 507,000 118,000 0
Revenue Recognition [Abstract]                      
Area Development Fee $ 10,000               $ 10,000    
Initial Franchise Fees                 45,000    
Initial Franchise Fees Recognized $ 5,000               $ 5,000    
Historical Royalty Percentage Minimum                 4.00%    
Historical Royalty Percentage Maximum                 5.00%    
License And Services Revenue                 $ 940,000 $ 878,000 $ 805,000
Other Revenue                 $ 14,000 $ 76,000 $ 311,000
Property, Plant and Equipment [Line Items]                      
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross | shares                 465,000 191,000  
Building [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Useful Life                 30 years    
Furniture and Fixtures [Member] | Maximum [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Useful Life                 7 years    
Furniture and Fixtures [Member] | Minimum [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Useful Life                 3 years    
Equipment [Member] | Maximum [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Useful Life                 7 years    
Equipment [Member] | Minimum [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Useful Life                 3 years    
Restaurant Signage [Member] | Maximum [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Useful Life                 15 years    
Restaurant Signage [Member] | Minimum [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Useful Life                 10 years    
Decor [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Useful Life                 7 years    
Software [Member]                      
Property, Plant and Equipment [Line Items]                      
Property, Plant and Equipment, Useful Life                 5 years    
Franchised Units [Member]                      
Franchisor Disclosure Line Items                      
Number Of Restaurants | Number_of_Restaurants 135               135    
Committed Restaurants | Number_of_Restaurants 58               58    
Entity Operated Units [Member]                      
Franchisor Disclosure Line Items                      
Number Of Restaurants | Number_of_Restaurants 44               44