Note 9 - Dispositions and Discontinued Operations (Details) - Discontinued Business Information - Income Statement (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Jun. 29, 2013	Jun. 30, 2012
Discontinued Business Information - Income Statement [Abstract]
Net sales	$ 441	$ 510	$ 1,448	$ 1,131
Gross loss	(987)	(877)	(2,019)	(1,928)
Loss on sale of discontinued operations	(668)		(668)
Loss from discontinued operations before income taxes	(1,655)	(877)	(2,687)	(1,928)
Loss from discontinued operations, net of taxes	$ (1,655)	$ (877)	$ (2,687)	$ (1,928)