CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Dec. 28, 2013
Net sales	$ 43,661	$ 38,267	$ 121,547	$ 144,086
Cost of sales	27,884	21,986	76,754	83,787
Gross profit	15,777	16,281	44,793	60,299
Operating expenses:
Selling, service and administration	13,397	12,408	39,412	41,206
Research, development and engineering	8,383	9,768	25,952	27,912
(Gain) Loss on Sale of Property Plant Equipment	0	(1,301)	0	(1,301)
Gain on acquisition of Semiconductor Systems business	0	0	0	(499)
Net operating expenses	21,780	20,875	65,364	67,318
Operating (loss) income	(6,003)	(4,594)	(20,571)	(7,019)
Non-operating (expense) income:
Other-than-temporary impairment of cost based investments	0	0	0	(3,588)
Interest and other (expense) income, net	64	95	(134)	115
Other Nonoperating Income (Expense)	64	95	(134)	(3,473)
Income (loss) before income taxes	(5,939)	(4,499)	(20,705)	(10,492)
Provision for (benefit from) income taxes	437	141	165	209
Net (loss) income	$ (6,376)	$ (4,640)	$ (20,870)	$ (10,701)
Net (loss) income per share - basic	$ (0.21)	$ (0.15)	$ (0.68)	$ (0.36)
Net (loss) income per share - diluted	$ (0.21)	$ (0.15)	$ (0.68)	$ (0.36)
Weighted average number of shares - basic	30,617	30,054	30,507	29,922
Weighted average number of shares - diluted	30,617	30,054	30,507	29,922
Cash dividends paid per common share	$ 0.08	$ 0.08	$ 0.24	$ 0.24