INCOME TAXES: (Components of Deferred Taxes) (Details) - USD ($)	Mar. 30, 2018	Mar. 31, 2017
Deferred tax assets:
Accounts receivable reserves	$ 11,562	$ 11,562
Accrued expenses	409,236	332,613
Prepaid expenses	1,308,038	1,308,038
Gross deferred tax assets	1,728,836	1,652,213
Deferred tax liabilities:
Depreciation	209,234	(47,341)
Net deferred tax assets before valuation allowance	1,938,070	1,604,872
Valuation allowance	(1,938,070)	(1,604,872)
Net deferred tax assets