Significant Accounting Policies (Schedule Of Retrospective Impact On Consolidated Statements Of Cash Flows) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended							12 Months Ended
	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Jan. 01, 2011	Oct. 02, 2010	Jul. 03, 2010	Apr. 03, 2010	Dec. 31, 2011	Jan. 01, 2011	Jan. 02, 2010
Significant Accounting Policies [Line Items]
Net Income	$ 1,945	$ 3,159	$ 1,265	$ 1,767	$ 1,603	$ 2,689	$ 149	$ 8,310	$ 6,208	$ 1,559
Deferred taxes								2,989	501	(1,617)
Inventory								(1,864)	(5,780)	2,114
Originally Reported [Member]
Significant Accounting Policies [Line Items]
Net Income	1,920	3,152	1,258	1,855	1,630	2,714	174		6,373	1,855
Deferred taxes									590	(1,458)
Inventory									(6,034)	1,659
Change [Member]
Significant Accounting Policies [Line Items]
Net Income									(165)	(296)
Deferred taxes									(89)	(159)
Inventory									254	455
Adjusted [Member]
Significant Accounting Policies [Line Items]
Net Income	25	7	7	(88)	(27)	(25)	(25)		6,208	1,559
Deferred taxes									501	(1,617)
Inventory									$ (5,780)	$ 2,114