Condensed Consolidated Statements of Shareholders' Equity (Unaudited) (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Treasury Stock
Balance, value at Dec. 25, 2011	$ 99,640	$ 341	$ 200,524	$ (101,225)
Balance, shares at Dec. 25, 2011		34,150			72
Net income	6,095			6,095
Preferred stock dividends	(514)			(514)
Accretion of preferred stock redemption value	(73)		(73)
Excess of redemption value over carrying value of Preferred Shares redeemed	(35,776)		(35,776)
Shares issued under stock compensation plan including tax effects	6	1	5
Shares issued under stock compensation plan including tax effects, shares		54
Stock-based compensation	434		434
Balance, value at Mar. 25, 2012	69,812	342	165,114	(95,644)
Balance, shares at Mar. 25, 2012		34,204			72
Balance, value at Dec. 30, 2012	82,388	344	167,403	(85,359)
Balance, shares at Dec. 30, 2012		34,434			72
Net income	7,661			7,661
Preferred stock dividends	0
Excess of redemption value over carrying value of Preferred Shares redeemed	0
Shares issued under stock compensation plan including tax effects	35	1	35
Shares issued under stock compensation plan including tax effects, shares		52
Stock-based compensation	657		657
Balance, value at Mar. 31, 2013	$ 90,740	$ 345	$ 168,095	$ (77,700)
Balance, shares at Mar. 31, 2013		34,486			72