Common Stock and Earnings (Loss) Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 28, 2013		Dec. 29, 2012		Dec. 31, 2011
Basic earnings (loss) per share:
Income (loss) from continuing operations	$ 5,358		$ (653)		$ 1,272
Less: Allocation of earnings to participating securities	(212)		0		(31)
Income (loss) from continuing operations available to common shareholders - basic	5,146		(653)		1,241
Basic weighted-average shares outstanding (1)	12,737	[1]	12,638	[1]	12,585	[1]
Basic earnings (loss) per share - continuing operations	$ 0.40		$ (0.05)		$ 0.10
Diluted earnings (loss) per share:
Income (loss) from continuing operations available to common shareholders - basic	5,146		(653)		1,241
Add: Undistributed earnings reallocated to unvested shareholders	2		0		0
Income (loss) from continuing operations available to common shareholders - basic	$ 5,148		$ (653)		$ 1,241
Effect of dilutive securities:
Stock options (2)	54	[2]	0	[2]	1	[2]
Directors' stock performance units (2)	61	[2]	0	[2]	37	[2]
Diluted weighted-average shares outstanding (1)(2)	12,852	[1],[2]	12,638	[1],[2]	12,623	[1],[2]
Diluted earnings (loss) per share - continuing operations	$ 0.40		$ (0.05)		$ 0.10
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	510		827		1,337

[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 were 510 in 2013, 827 shares in 2012 and 1,337 shares in 2011.