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Note 15 - Financial Information for the Company's Reportable Segments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 02, 2016
Jan. 03, 2015
Dec. 28, 2013
Retail [Member]      
Net sales to external customers $ 372,715 $ 387,725 $ 373,173
Net income before income taxes 16,053 15,791 (5,028)
Capital expenditures, net 24,307 10,851 19,178
Depreciation and amortization 16,284 17,981 19,016
Income (loss) before income taxes 16,053 15,791 (5,028)
Total Assets 206,878 204,758  
International Franchising [Member]      
Net sales to external customers 2,196 2,531 3,564
Net income before income taxes 868 (454) 2,018
Capital expenditures, net 74 39 184
Depreciation and amortization 134 147 200
Income (loss) before income taxes 868 (454) 2,018
Total Assets 1,696 2,312  
Commercial [Member]      
Net sales to external customers 2,783 2,098 2,332
Net income before income taxes 977 $ 687 $ 892
Capital expenditures, net 7
Depreciation and amortization 1
Income (loss) before income taxes 977 $ 687 $ 892
Total Assets 4,760 4,984  
Net sales to external customers 377,694 392,354 379,069
Net income before income taxes 17,898 16,024 (2,118)
Capital expenditures, net 24,388 10,890 19,362
Depreciation and amortization 16,419 18,128 19,216
Income (loss) before income taxes 17,898 16,024 $ (2,118)
Total Assets $ 213,334 $ 212,054