Earnings (Loss) Per Share (Earnings (Loss) Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Basic earnings (loss) per share:
Income (loss) from continuing operations		$ 84	$ (8)	$ (1,780)	$ 4,303
Less: Allocation of earnings to participating securities		(2)	0	0	(197)
Income (loss) from continuing operations available to common shareholders - basic		$ 82	$ (8)	$ (1,780)	$ 4,106
Basic weighted-average shares outstanding (1)	[1]	15,573	15,394	15,518	14,040
Basic earnings (loss) per share - continuing operations		$ 0.01	$ 0.00	$ (0.11)	$ 0.29
Diluted earnings (loss) per share:
Income (loss) from continuing operations available to common shareholders - basic		$ 82	$ (8)	$ (1,780)	$ 4,106
Add: Undistributed earnings reallocated to unvested shareholders		0	0	0	3
Income (loss) from continuing operations available to common shareholders - basic		$ 82	$ (8)	$ (1,780)	$ 4,109
Effect of dilutive securities:
Stock options (2)	[2]	37	0	0	111
Directors' stock performance units (2)	[2]	56	0	0	65
Diluted weighted-average shares outstanding (1)(2)	[1],[2]	15,666	15,394	15,518	14,216
Diluted earnings (loss) per share - continuing operations		$ 0.01	$ 0.00	$ (0.11)	$ 0.29
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount		220	552	308	432

[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 nine months ended September 26, 2015 were 220 and 308, respectively, and for the three and nine months ending September 27, 2014 were 552 and 432, respectively.