CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended		12 Months Ended
	Jan. 01, 2012	Jan. 02, 2011	Dec. 29, 2013	Dec. 30, 2012	Jan. 01, 2012	Jul. 03, 2011
Net sales	$ 58,721	$ 50,943	$ 103,316	$ 114,274	$ 117,610	$ 109,832
Cost of sales	38,388	34,929	67,991	74,430	78,134	74,675
Gross profit	20,333	16,014	35,325	39,844	39,476	35,157
Operating expenses:
Research and development	2,103	2,069	3,246	3,834	4,394	4,360
Pension expense	2,706	3,311	6,365	6,936	5,895	6,500
Sales, general and administrative	10,644	8,308	20,939	21,052	21,187	18,851
Income (loss) from operations	4,880	2,326	4,775	8,022	8,000	5,446
Non operating income:
Interest income	0	(1)	0	0	0	(1)
Income (loss) from continuing operations before provision for income taxes	4,880	2,327	4,775	8,022	8,000	5,447
Provision for income taxes	549	287	1,016	1,096	892	630
Income (loss) from continuing operations	4,331	2,040	3,759	6,926	7,108	4,817
Income (loss) from discontinued operations, net of tax	(39)	(533)	(627)	5,697	(660)	(1,154)
Net income (loss)	$ 4,292	$ 1,507	$ 3,132	$ 12,623	$ 6,448	$ 3,663
Earnings per common share - basic
Income (loss) from continuing operations (USD per share)	$ 1.38	$ 0.65	$ 1.16	$ 2.18	$ 2.27	$ 1.54
Income (loss) from discontinued operations (USD per share)	$ (0.01)	$ (0.17)	$ (0.19)	$ 1.79	$ (0.21)	$ (0.37)
Net income (loss) (USD per share)	$ 1.36	$ 0.48	$ 0.97	$ 3.97	$ 2.06	$ 1.17
Earnings per common share - diluted
Income (loss) from continuing operations (USD per share)	$ 1.35	$ 0.65	$ 1.13	$ 2.14	$ 2.22	$ 1.51
Income (loss) from discontinued operations (USD per share)	$ (0.01)	$ (0.17)	$ (0.19)	$ 1.76	$ (0.21)	$ (0.37)
Net income (loss) (USD per share)	$ 1.34	$ 0.48	$ 0.94	$ 3.90	$ 2.01	$ 1.15
Weighted average shares outstanding:
Weighted average shares outstanding - basic	3,148	3,127	3,231	3,174	3,138	3,134
Weighted average shares outstanding - diluted	3,212	3,151	3,339	3,238	3,194	3,187