CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2013	Jun. 29, 2012	Jun. 28, 2013	Jun. 29, 2012
Income Statement
Sales	$ 5,212	$ 4,746	$ 9,919	$ 12,563
Cost of sales	3,480	3,540	6,877	8,088
Gross profit	1,732	1,206	3,042	4,475
Operating expenses:
Selling, general and administrative (excluding pension)	1,181	1,279	2,746	2,751
Research and development	674	660	1,344	1,264
Pension	161	554	369	1,109
Total operating expenses	2,016	2,493	4,459	5,124
Operating loss	(284)	(1,287)	(1,417)	(649)
Other expense, net	(141)	(184)	(355)	(401)
Loss before income tax provision	(425)	(1,471)	(1,772)	(1,050)
Income tax provision		(13)	(10)	(74)
Net loss	(425)	(1,484)	(1,782)	(1,124)
Net loss per common share - basic and diluted	$ (0.04)	$ (0.13)	$ (0.16)	$ (0.10)
Weighted average common shares outstanding - basic and diluted	11,089	11,089	11,089	11,089
Comprehensive Loss
Net loss	(425)	(1,484)	(1,782)	(1,124)
Other comprehensive income (loss):
Amortization of deferred pension expense	182		364
Unrealized gain (loss) on marketable securities	(18)	(64)	(11)	104
Comprehensive loss	$ (261)	$ (1,548)	$ (1,429)	$ (1,020)