Consolidated Statements of Comprehensive Income - USD ($)	12 Months Ended
	Mar. 27, 2016	Mar. 29, 2015	Mar. 30, 2014
Net income	$ 6,096,000	$ 11,703,000	$ 8,327,000
Other comprehensive loss, net of deferred income taxes:
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax		$ (102,000)	$ (180,000)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax	$ 47,000
Other comprehensive loss	(47,000)	$ (102,000)	$ (180,000)
Comprehensive income	$ 6,049,000	$ 11,601,000	$ 8,147,000