Consolidated Statements of Comprehensive Income (Unaudited) - USD ($)	3 Months Ended
	Jun. 28, 2015	Jun. 29, 2014
Net income	$ 2,310,000	$ 4,071,000
Other comprehensive loss, net of deferred income taxes:
Unrealized losses on marketable securities	(5,000)	(32,000)
Other comprehensive loss	(5,000)	(32,000)
Comprehensive income	$ 2,305,000	$ 4,039,000