Common Stock and Earnings (Loss) Per Share (Earnings (Loss) Per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 28, 2014		Jun. 29, 2013		Jun. 28, 2014		Jun. 29, 2013
Basic earnings (loss) per share:
Income (loss) from continuing operations	$ 605		$ (1,677)		$ (3,830)		$ (2,329)
Less: Allocation of earnings to participating securities	0		(68)		(182)		(92)
Income (loss) from continuing operations available to common shareholders - basic	(605)		1,609		3,648		2,237
Basic weighted-average shares outstanding (1)	13,937	[1]	12,733	[1]	13,363	[1]	12,704
Basic earnings per share - continuing operations	$ (0.04)		$ 0.13		$ 0.27		$ 0.18
Diluted earnings (loss) per share:
Income (loss) from continuing operations available to common shareholders - basic	(605)		1,609		3,648		2,237
Add: Undistributed earnings reallocated to unvested shareholders	0		1		3		1
Income (loss) from continuing operations available to common shareholders - basic	$ (605)		$ 1,610		$ 3,651		$ 2,238
Effect of dilutive securities:
Stock options (2)	0	[2]	54	[2]	134	[2]	28
Directors' stock performance units (2)	0	[2]	59	[2]	64	[2]	61
Diluted weighted-average shares outstanding (1)(2)	13,937	[1],[2]	12,846	[1],[2]	13,561	[1],[2]	12,793
Diluted earnings per share - continuing operations	$ (0.04)		$ 0.13		$ 0.27		$ 0.17
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	620		450		372		571

[1] Includes Common and Class B Common shares, 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 during the relevant period and directors' stock performance units have been excluded. Aggregate shares excluded for the three and six months ended June 28, 2014 were 620 and 372, respectively, and for the three and six months ending June 29, 2013 were 450 and 571, respectively.