Note 20 - Selected Quarterly Financial Information (Unaudited) (Details) - Quarterly Financial Information (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended									12 Months Ended
	Dec. 28, 2013		Sep. 28, 2013	Jun. 29, 2013	Mar. 30, 2013	Dec. 29, 2012	Sep. 29, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 28, 2013	Dec. 29, 2012
Quarterly Financial Information [Abstract]
Sales	$ 45,849	[1]	$ 41,320	$ 42,379	$ 41,230	$ 37,019	$ 34,839	$ 35,753	$ 38,206	$ 170,778	$ 145,817
Gross Profit	11,794	[1]	10,684	11,262	10,621	10,099	9,675	9,656	10,285	44,361	39,715
Operating Income	(2,479)	[1]	1,806	1,714	1,514	1,330	1,107	1,015	1,776	2,555	5,228
Net Income	$ (1,582)	[1]	$ 1,142	$ 1,470	$ 960	$ 1,029	$ 634	$ 505	$ 1,059	$ 1,990	$ 3,227
Income Per Share (in Dollars per share)	$ (0.13)	[1]	$ 0.09	$ 0.12	$ 0.08	$ 0.09	$ 0.05	$ 0.04	$ 0.08	$ 0.16	$ 0.26

[1] Includes severance and other charges of $4.8 million (see note 21).