Note 7 - Unrecognized Tax Benefits (Details) - Scenario, Unspecified [Domain] - USD ($) $ in Thousands	12 Months Ended
	May. 02, 2015	May. 03, 2014		Apr. 27, 2013
Beginning balance	$ 2,123	$ 4,349		$ 4,548
Increases due to current period tax positions	122	268		415
Decreases due to lapse of statute of limitations and audit resolutions	(444)	(2,494)	[1]	(614)
Ending balance	$ 1,801	$ 2,123		$ 4,349

[1] Includes $1,907 related to the Internal Revenue Service review of the Company’s federal income tax returns for the three years ended April 2013 noted above.