CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Dec. 30, 2012	Jan. 01, 2012
Net income (loss)	$ 1,523	$ (4,733)	$ 1,210	$ (7,236)
Other comprehensive loss:
Unrealized loss on investments	(301)	(342)	(191)	(637)
Comprehensive income (loss)	$ 1,222	$ (5,075)	$ 1,019	$ (7,873)