2011 EQUITY INCENTIVE PLAN (Grants Under Plan) (Details) - $ / shares					3 Months Ended	12 Months Ended
		Aug. 15, 2016	Jul. 15, 2016	Jul. 01, 2015	Jun. 29, 2018	Mar. 30, 2018	Mar. 31, 2017	Aug. 15, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period				245,000	0	0	10,000
Expiration period from grant date				5 years
Incentive stock options, exercise price as compared to fair market value (percent) to majority shareholder					110.00%
Incentive stock options, granted to shareholder holdings (percent)					10.00%
Exercise price				$ 6.00			$ 5.30
Option yet to vest					176,000	251,000	247,000
Four non-executive officer key employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period				110,000
Expiration period from grant date				10 years
Exercise price				$ 6.00
Michael Offerman [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period	[1],[2]			75,000
Expiration period from grant date				10 years
Incentive stock options, exercise price as compared to fair market value (percent) to majority shareholder				110.00%
Incentive stock options, granted to shareholder holdings (percent)				10.00%
David Offerman [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period	[1],[2]		50,000
Expiration period from grant date			10 years
Exercise price			$ 5.30
Robert Knoth [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period	[1]			50,000
Expiration period from grant date				10 years
Exercise price				$ 6.00
Allen Gottlieb [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period	[1]			5,000
Expiration period from grant date				10 years
Exercise price				$ 6.00
Gerald Chafetz [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period	[1]			5,000
Expiration period from grant date				10 years
Exercise price				$ 6.00
Sonia Marciano [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period	[3]		5,000
Expiration period from grant date			10 years
Exercise price			$ 5.30
Option vested		3,000
Option yet to vest		1,000						2,000
Sonia Marciano [Member] | Scenario, Forecast [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option yet to vest					2,000
Eric Hugel [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period	[3]		5,000
Expiration period from grant date			10 years
Exercise price			$ 5.30
Option vested		3,000
Option yet to vest		1,000						2,000
Eric Hugel [Member] | Scenario, Forecast [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Option yet to vest					2,000

[1] As of the date hereof, none of the options has been exercised.

[2] On March 24, 2017, Michael Offerman, our President and Chief Executive Officer, died suddenly. On March 26, 2017, the Board of Directors elected David Offerman to the positions of Chairman of the Board, President and Chief Executive Officer of the Company.

[3] 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.