CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands		Total	Common Stock	Capital Contributed in Excess of Par Value	Accumulated Earnings	Accumulated Other Comprehensive Loss
Balance at May. 03, 2015		$ 119,427	$ 611	$ 43,159	$ 75,752	$ (95)
Balance (in shares) at May. 03, 2015			12,219,121
Net income		4,701
Unrealized gain (loss) on investments		(89)
Balance at Aug. 02, 2015		118,725
Balance at May. 03, 2015		119,427	$ 611	43,159	75,752	(95)
Balance (in shares) at May. 03, 2015			12,219,121
Net income		16,935			16,935
Stock-based compensation		2,742		2,742
Unrealized gain (loss) on investments		(49)				(49)
Excess tax benefit related to stock based compensation		841		841
Common stock repurchased		(2,397)	$ (5)	(2,392)
Common stock repurchased (in shares)			(100,776)
Common stock issued in connection with performance based units (in shares)			115,855
Common stock issued in connection with performance based units			$ 6	(6)
Fully vested common stock award			3,000
Common stock issued in connection with exercise of stock options (in shares)			54,500
Common stock issued in connection with exercise of stock options		200	$ 3	197
Common stock surrendered for withholding taxes payable		(747)	$ (1)	(746)
Common stock surrendered for withholding taxes payable (in shares)			(26,211)
Dividends paid		(8,140)			(8,140)
Balance at May. 01, 2016	[1]	128,812	$ 614	43,795	84,547	(144)
Balance (in shares) at May. 01, 2016	[1]		12,265,489
Net income		5,313			5,313
Stock-based compensation		761		761
Unrealized gain (loss) on investments		96				96
Excess tax benefit related to stock based compensation		167		167
Common stock issued in connection with performance based units (in shares)			49,192
Common stock issued in connection with performance based units			$ 2	(2)
Common stock issued in connection with exercise of stock options (in shares)			2,000
Common stock issued in connection with exercise of stock options		11		11
Common stock surrendered for withholding taxes payable		(280)	$ (1)	(279)
Common stock surrendered for withholding taxes payable (in shares)			(9,725)
Dividends paid		(3,445)			(3,445)
Balance at Jul. 31, 2016		$ 131,435	$ 615	$ 44,453	$ 86,415	$ (48)
Balance (in shares) at Jul. 31, 2016			12,306,956

[1] Derived from audited financial statements.