Consolidated Statements of Stockholders' (Deficit) Equity (Parentheticals) - USD ($)	12 Months Ended
	Mar. 27, 2016	Mar. 29, 2015	Mar. 30, 2014
AOCI Attributable to Parent [Member]
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax		$ (66,000)	$ (119,000)
Reclassification adjustment for gains included in net income, deferred income tax benefit	$ 25,000
Reclassification adjustment for gains included in net income, deferred income tax benefit	$ 25,000