Consolidated Statements Of Shareholders' Equity (USD $) In Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Treasury Stock [Member]	Total
Balance, value at Dec. 28, 2008	$ 235	$ 171,387	$ (134,480)		$ 37,142
Balance, shares at Dec. 28, 2008	23,452			72
Net income			2,419		2,419
Shares issued under stock option plan including tax effects, value	1	39			40
Shares issued under stock option plan including tax effects, shares	155
Stock-based compensation		2,163			2,163
Repurchase of Restricted Stock, value
Repurchase of Restricted Stock, shares
Balance, value at Dec. 27, 2009	236	173,590	(132,061)		41,765
Balance, shares at Dec. 27, 2009	23,607			72
Net income			15,957		15,957
Preferred stock dividends			(2,178)		(2,178)
Issuance of common stock from rights offering, value	101	25,267			25,368
Issuance of common stock from rights offering, shares	10,147
Cost of common stock issuance		(2,049)			(2,049)
Accretion of preferred stock redemption value		(309)			(309)
Shares issued under stock option plan including tax effects, value	2	132			134
Shares issued under stock option plan including tax effects, shares	227
Stock-based income tax adjustments to equity		(508)			(508)
Stock-based compensation		2,181			2,181
Balance, value at Dec. 26, 2010	339	198,304	(118,282)		80,361
Balance, shares at Dec. 26, 2010	33,981			72
Net income			19,549		19,549
Preferred stock dividends			(2,493)		(2,493)
Accretion of preferred stock redemption value		(353)			(353)
Shares issued under stock option plan including tax effects, value	2	43			45
Shares issued under stock option plan including tax effects, shares	169
Stock-based compensation		2,531			2,531
Balance, value at Dec. 25, 2011	$ 341	$ 200,524	$ (101,225)		$ 99,640
Balance, shares at Dec. 25, 2011	34,150			72