2011 EQUITY INCENTIVE PLAN (Narrative) (Details) - USD ($)		12 Months Ended
		Mar. 29, 2021	Mar. 29, 2020	Mar. 29, 2019	Mar. 30, 2018
Number of Stock Options and Restricted Stock Awards authorized under 2011 Equity Incentive Plan				750,000
Incentive stock options, granted to shareholder holdings (percent)				10.00%
Incentive stock options, exercise price as compared to fair market value (percent) to majority shareholder				110.00%
Expiration period from grant date				10 years
FMV of shares subject to options granted to participants and designated as incentive stock options, maximum amount				$ 100,000
Unrecognized stock-based compensation expense	[1]			$ 42,000	$ 14,000
Stock Option [Member] | Subsequent Event [Member]
Unrecognized stock-based compensation expense		$ 16,992	$ 25,454

[1] Unrecognized stock-based compensation expense related to prior years' equity grants of stock options to non-employee directors, that had not vested as of the end of the applicable fiscal year.