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

12 Months Ended

Dec. 28, 2013

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	2013		2012
Raw materials	$	7,308	$	8,330
Work in process		4,151		4,247
Finished goods		16,848		18,287
	$	28,307	$	30,864

Property, Plant and Equipment [Table Text Block]

Property, plant and equipment consist of the following:

In Thousands	2013		2012
Land	$	3,176	$	1,805
Buildings and leasehold improvements		18,905		17,719
Machinery and equipment		26,161		24,267
Total cost		48,242		43,791
Accumulated depreciation and amortization		(33,284)		(31,510)
	$	14,958	$	12,281

Investments in and Advances to Affiliates [Table Text Block]

Investments are composed of the following:

In Thousands	2013		2012
Non-marketable equity investments (equity method)	$	19,786	$	17,487

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

The components of Other Income are as follows:

In Thousands	2013		2012		2011
Income from non-marketable equity investments accounted for on the equity method	$	2,934	$	2,998	$	3,328
Royalty income from patents		--		29		66
Other		(4)		4		3
	$	2,929	$	3,031	$	3,397