Statement of Shareholders' Equity (USD $) In Thousands, unless otherwise specified	Total	Common Stock Member	Additional Paid-in Capital [Member]	Retained Earnings [Member]
Balance at Dec. 28, 2008	$ 26,184	$ 91	$ 16,428	$ 9,665
Balance (in Shares) at Dec. 28, 2008	9,079
Shareholders' Equity
Exercise of stock options (in shares)	17
Exercise of stock options	57		57
Tax benefit for -- equity awards issued	436		436
Common stock issued (in shares)	147
Common stock issued	792	1	791
Performance shares surrendered to cover payroll taxes incurred (in shares)	(10)
Performance shares surrendered to cover payroll taxes incurred	(28)		(28)
Repurchase of common stock (in shares)	(31)
Repurchases of common stock	(188)		(188)
Stock--based compensation	492		492
Deferred Compensation	(452)		(452)
Net Income	5,701			5,701
Balance at Jan. 03, 2010	32,994	92	17,536	15,366
Balance (in Shares) at Jan. 03, 2010	9,202
Shareholders' Equity
Exercise of stock options (in shares)	93
Exercise of stock options	352	1	351
Tax benefit for -- equity awards issued	62		62
Common stock issued (in shares)	26
Common stock issued	0
Performance shares surrendered to cover payroll taxes incurred (in shares)	(9)
Performance shares surrendered to cover payroll taxes incurred	(68)		(68)
Repurchase of common stock (in shares)	(1,067)
Repurchases of common stock	(8,746)	(11)	(8,735)
Stock--based compensation	861		861
Deferred Compensation	231		231
Net Income	7,218			7,218
Balance at Jan. 02, 2011	32,904	82	10,238	22,584
Balance (in Shares) at Jan. 02, 2011	8,245
Shareholders' Equity
Exercise of stock options (in shares)	41
Exercise of stock options	128		128
Tax benefit for -- equity awards issued	80		80
Common stock issued (in shares)	40
Common stock issued	154	1	153
Performance shares surrendered to cover payroll taxes incurred (in shares)	(9)
Performance shares surrendered to cover payroll taxes incurred	(82)		(82)
Repurchase of common stock (in shares)	(610)
Repurchases of common stock	(5,759)	(6)	(5,753)
Stock--based compensation	1,183		1,183
Deferred Compensation	(76)		(76)
Net Income	5,562			5,562
Balance at Jan. 01, 2012	$ 34,094	$ 77	$ 5,871	$ 28,146
Balance (in Shares) at Jan. 01, 2012	7,707