Note 3 - Unaudited Pro Forma Condensed Financial Information (Details) - Integrated Memory Logic Limited [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 29, 2015	Mar. 30, 2014
Net sales	$ 172,780	$ 186,290
Net income (loss)	$ (36,207)	$ 5,884
Loss per share to common stockholders
Basic (in dollars per share)	$ (0.77)	$ 0.12
Diluted (in dollars per share)	$ (0.77)	$ 0.12