Note 9 - Segment Information - Financial Information for the Company's Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016	Dec. 31, 2016
Net sales to external customers	$ 77,226	$ 75,139	$ 167,857	$ 170,115
Income (loss) before income taxes	(2,616)	(6,243)	1,979	(971)
Capital expenditures, net	5,736	5,697	8,027	11,882
Depreciation and amortization	3,957	3,808	7,883	7,619
Total assets	182,604	176,360	182,604	176,360	$ 199,595
Retail [Member]
Net sales to external customers	74,422	73,928	163,007	167,984
Income (loss) before income taxes	(3,422)	(6,648)	396	(1,452)
Capital expenditures, net	5,717	5,677	8,008	11,857
Depreciation and amortization	3,940	3,785	7,849	7,571
Total assets	173,369	168,827	173,369	168,827
Commercial [Member]
Net sales to external customers	2,126	798	3,733	1,279
Income (loss) before income taxes	945	270	1,548	413
Capital expenditures, net
Depreciation and amortization	1	1	1	1
Total assets	6,926	5,377	6,926	5,377
International Franchising [Member]
Net sales to external customers	678	413	1,117	852
Income (loss) before income taxes	(139)	135	35	68
Capital expenditures, net	19	20	19	25
Depreciation and amortization	16	22	33	47
Total assets	$ 2,309	$ 2,156	$ 2,309	$ 2,156

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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