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Note 8 - Financial Information for the Company's Reportable Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Oct. 03, 2015
Sep. 27, 2014
Oct. 03, 2015
Sep. 27, 2014
Retail [Member]        
Net sales to external customers $ 84,303 $ 85,561 $ 256,246 $ 257,752
Income before income taxes 1,120 1,584 6,539 2,782
Capital expenditures, net 6,753 2,494 12,800 5,655
Depreciation and amortization 3,996 4,386 12,159 13,274
October 3, 2015 177,067 166,403 177,067 166,403
International Franchising [Member]        
Net sales to external customers 525 558 1,624 1,716
Income before income taxes 66 216 439 (62)
Capital expenditures, net 25 17 57 26
Depreciation and amortization 32 36 102 111
October 3, 2015 1,472 2,849 1,472 2,849
Commercial [Member]        
Net sales to external customers 795 542 2,159 1,384
Income before income taxes 182 $ 258 1,003 $ 684
Capital expenditures, net 7 7
Depreciation and amortization 1 1
October 3, 2015 4,765 $ 5,613 4,765 $ 5,613
Net sales to external customers 85,623 86,661 260,029 260,852
Income before income taxes 1,368 2,058 7,981 3,404
Capital expenditures, net 6,785 2,511 12,864 5,681
Depreciation and amortization 4,029 4,422 12,262 13,385
October 3, 2015 $ 183,304 $ 174,865 $ 183,304 $ 174,865