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Note 15 - Segment Information - Financial Information for the Company's Reportable Segments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Revenues $ 357,866 $ 364,204 $ 377,694
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest 13,813 5,309 17,898
Capital expenditures, net 18,073 28,118 24,388
Depreciation and amortization 16,165 16,171 16,419
Total assets 197,989 199,595  
Retail [Member]      
Revenues 349,408 357,593 372,715
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest 10,436 2,760 16,053
Capital expenditures, net 17,882 28,083 24,307
Depreciation and amortization 16,101 16,086 16,284
Total assets 188,685 190,236  
Commercial [Member]      
Revenues 6,007 4,312 2,783
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest 934 1,813 977
Capital expenditures, net 7
Depreciation and amortization 2 2 1
Total assets 5,949 6,143  
International Franchising [Member]      
Revenues 2,451 2,299 2,196
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest 2,443 736 868
Capital expenditures, net 191 35 74
Depreciation and amortization 62 83 $ 134
Total assets $ 3,355 $ 3,216