Note 7 - Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2016	May 02, 2015	May 03, 2014
Beginning balance	$ 1,801	$ 2,123	$ 4,349
Increases due to current period tax positions	145	122	268
Decreases due to lapse of statute of limitations and audit resolutions	(268)	(444)	(2,494)	[1]
Ending balance	$ 1,678	$ 1,801	$ 2,123

[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.