Common Stock and Earnings (Loss) Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 30, 2013		Mar. 31, 2012
Basic earnings (loss) per share:
Income (loss) from continuing operations	$ 651		$ (104)
Less: Allocation of earnings to participating securities	(24)		0
Income (loss) from continuing operations available to common shareholders - basic	627		(104)
Basic weighted-average shares outstanding (1)	12,674	[1]	12,606	[1]
Basic earnings (loss) per share - continuing operations	$ 0.05		$ (0.01)
Diluted earnings (loss) per share:
Income (loss) from continuing operations available to common shareholders - basic	627		(104)
Add: Undistributed earnings reallocated to unvested shareholders	0		0
Income (loss) from continuing operations available to common shareholders - basic	$ 627		$ (104)
Effect of dilutive securities:
Stock options (2)	2	[2]	0	[2]
Directors' stock performance units (2)	63	[2]	0	[2]
Diluted weighted-average shares outstanding (1)(2)	12,739	[1],[2]	12,606	[1],[2]
Diluted earnings (loss) per share - continuing operations	$ 0.05		$ (0.01)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	691		862

[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 and directors' stock performance units have been excluded. Aggregate shares excluded for the three months ending March 30, 2013 and March 31, 2012 were 691 and 862, respectively.