INCOME TAXES: (Provision For Income Taxes) (Details) - USD ($)	12 Months Ended
	Mar. 31, 2017	Mar. 25, 2016	Mar. 25, 2016
Current:
Federal	$ 532,892	$ 639,476
State and local	429,785	406,379
Total current tax provision	962,677	1,045,855
Deferred:
Federal	262,469	236,519
State and local	81,864	150,305
Total deferred tax benefit	344,333	386,824
Total provision (benefit)	$ 1,307,010	$ 1,432,679	$ 1,432,679