Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]	Total
Balance at Mar. 27, 2011	$ 88	$ 52,945	$ 19,010	$ 481	$ (34,446)	$ 38,078
Balance (in Shares) at Mar. 27, 2011	8,837,991				3,755,278
Shares issued in connection with share-based compensation plans	1	64				65
Shares issued in connection with share-based compensation plans (in Shares)	17,272
Repurchase of common stock					(15,867)	(15,867)
Repurchase of common stock (in Shares)					736,208
Income tax benefit on stock option exercises		113				113
Share-based compensation		274				274
Unrealized gains on marketable securities, net of deferred income taxes				16		16
Net income			6,158			6,158
Balance at Mar. 25, 2012	89	53,396	25,168	497	(50,313)	28,837
Balance (in Shares) at Mar. 25, 2012	8,855,263				4,491,486
Shares issued in connection with share-based compensation plans	1	388				389
Shares issued in connection with share-based compensation plans (in Shares)	102,918
Withholding tax on net share settlement of employee stock options		(982)				(982)
Repurchase of common stock					(3,085)	(3,085)
Repurchase of common stock (in Shares)					88,077
Income tax benefit on stock option exercises		1,062				1,062
Share-based compensation		627				627
Unrealized gains on marketable securities, net of deferred income taxes				(168)		(168)
Net income			7,468			7,468
Balance at Mar. 31, 2013	90	54,491	32,636	329	(53,398)	34,148
Balance (in Shares) at Mar. 31, 2013	8,958,181				4,579,563
Shares issued in connection with share-based compensation plans	1	943				944
Shares issued in connection with share-based compensation plans (in Shares)	134,002
Withholding tax on net share settlement of employee stock options		(772)				(772)
Repurchase of common stock					(1,486)	(1,486)
Repurchase of common stock (in Shares)					30,463	30,463
Income tax benefit on stock option exercises		2,195				2,195
Share-based compensation		721				721
Unrealized gains on marketable securities, net of deferred income taxes				(180)		(180)
Net income			8,327			8,327
Balance at Mar. 30, 2014	$ 91	$ 57,578	$ 40,963	$ 149	$ (54,884)	$ 43,897
Balance (in Shares) at Mar. 30, 2014	9,092,183				4,610,026