Note 3 - Business Combinations (Details) - Unaudited Pro Forma Condensed Financial Information (Integrated Memory Logic Limited [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 28, 2014	Dec. 29, 2013	Dec. 28, 2014	Dec. 29, 2013
Integrated Memory Logic Limited [Member]
Note 3 - Business Combinations (Details) - Unaudited Pro Forma Condensed Financial Information [Line Items]
Net sales	$ 44,315	$ 45,243	$ 128,923	$ 143,544
Net income (loss)	$ (6,834)	$ 306	$ (34,260)	$ 5,646
Earnings (loss) per share
Basic	$ (0.15)	$ 0.01	$ (0.73)	$ 0.12
Diluted	$ (0.15)	$ 0.01	$ (0.73)	$ 0.12