CASH BONUS PLAN: (Narrative) (Details) - USD ($)	12 Months Ended
	Mar. 31, 2017	Mar. 25, 2016
Compensation Related Costs [Abstract]
Cash Bonus Plan, threshold of pre-tax operating profits	$ 150,000
Cash Bonus Plan, contribution tier 1	10.00%
Cash Bonus Plan, contribution tier 2	25.00%
Cash Bonus Plan, contribution	$ 324,000	$ 227,700