Nature of Operations and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 29, 2012

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Inventory, Current [Table Text Block]

Inventories, net of the valuation reserve, at fiscal year-ends were as follows:

In Thousands	2012		2011
Raw materials	$	8,330	$	7,865
Work in process		4,247		3,751
Finished goods		18,287		17,419
	$	30,864	$	29,035

Property, Plant and Equipment [Table Text Block]

Property, plant and equipment consist of the following:

In Thousands	2012			2011
Land	$	1,805		$	1,783
Buildings and leasehold improvements		17,719			17,542
Machinery and equipment		24,267			22,890
Total cost		43,791			42,215
Accumulated depreciation and amortization		(31,510	)		(30,300	)
	$	12,281		$	11,915

Investments in and Advances to Affiliates [Table Text Block]

Investments are composed of the following:

In Thousands	2012		2011
Non-marketable equity investments (equity method)	$	17,487	$	14,397

Schedule of Other Nonoperating Income, by Component [Table Text Block]

The components of Other Income are as follows:

In Thousands	2012		2011		2010
Income from non-marketable equity investments accounted for on the equity method	$	2,998	$	3,328	$	1,963
Royalty income from patents		29		66		79
Other		4		3		8
	$	3,031	$	3,397	$	2,050