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

12 Months Ended

Dec. 30, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Condensed Income Statement [Table Text Block]

The impact of this revision on our consolidated statements of operations was as follows:

Year Ended December 31, 2016	As Previously Reported		Revision		As Revised
In Thousands
Net Sales	$	167,650	$	4,012	$	171,662
Costs of product sold		123,383		4,012		127,395

Year Ended December 26, 2015	As Previously Reported		Revision		As Revised
In Thousands
Net Sales	$	155,542	$	3,921	$	159,463
Costs of product sold		112,068		3,921		115,989

Schedule of Inventory, Current [Table Text Block]

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

In Thousands	2017		2016
Raw materials	$	3,462	$	4,781
Work in process		2,927		3,671
Finished goods		28,771		25,350
	$	35,160	$	33,802

Property, Plant and Equipment [Table Text Block]

Property, plant and equipment consist of the following:

In Thousands	2017			2016
Land	$	1,943		$	1,943
Buildings and leasehold improvements		16,392			15,733
Machinery and equipment		24,453			22,379
Total cost		42,788			40,055
Accumulated depreciation and amortization		(28,502	)		(26,341	)
	$	14,286		$	13,714

Investments in and Advances to Affiliates [Table Text Block]

Investments are composed of the following:

In Thousands	2017		2016
Non-marketable equity investments (equity method)	$	20,278	$	19,030

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

The components of Other Income (Loss) are as follows:

In Thousands	2017		2016		2015
Rent income from real estate	$	—	$	158	$	212
Other income (loss)		(169)		(37)		121
	$	(169)	$	121	$	333