Common Stock and Earnings (Loss) Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 29, 2012		Oct. 01, 2011		Sep. 29, 2012		Oct. 01, 2011
Basic earnings (loss) per share:
Income (loss) from continuing operations	$ 269		$ 22		$ (240)		$ 1,474
Less: Allocation of earnings to participating securities	(10)		(1)		0		(35)
Income (loss) from continuing operations available to common shareholders - basic	259		21		(240)		1,439
Basic weighted-average shares outstanding (1)	12,650	[1]	12,596	[1]	12,630	[1]	12,582	[1]
Basic earnings (loss) per share - continuing operations	$ 0.02		$ 0.00		$ (0.02)		$ 0.11
Diluted earnings (loss) per share:
Income (loss) from continuing operations available to common shareholders - basic	259		21		(240)		1,439
Add: Undistributed earnings reallocated to unvested shareholders	0		0		0		0
Income (loss) from continuing operations available to common shareholders - basic	$ 259		$ 21		$ (240)		$ 1,439
Effect of dilutive securities:
Stock options (2)	0	[2]	0	[2]	0	[2]	1	[2]
Directors' stock performance units (2)	63	[2]	52	[2]	0	[2]	49	[2]
Diluted weighted-average shares outstanding (1)(2)	12,713	[1],[2]	12,648	[1],[2]	12,630	[1],[2]	12,632	[1],[2]
Diluted earnings (loss) per share - continuing operations	$ 0.02		$ 0.00		$ (0.02)		$ 0.11

[1] Includes Common and Class B Common shares, less shares held in treasury, in thousands.

[2] Because their effects are anti-dilutive, shares issuable under stock option plans where the exercise price is greater than the average market price of the Company's Common Stock at the end of the relevant period, directors' stock performance units, and shares issuable on conversion of subordinated debentures into shares of Common Stock have been excluded. Aggregate shares excluded for the three and nine months ending September 29, 2012 were 766 and 836, respectively and for the three and nine months ending October 1, 2011 were 1,087 and 1,108, respectively.