PROPERTY, PLANT AND EQUIPMENT AND INTANGIBLE ASSETS, Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2021	Jun. 28, 2020
Finite-Lived Intangible Assets, Net [Abstract]
Acquisition cost	$ 422	$ 578
Accumulated amortization	(239)	(423)
Net value	183	155
Amortization expense for intangible assets	$ 36	41
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Estimated useful lives	10 years
Acquisition cost	$ 278	278
Accumulated amortization	(209)	(181)
Net value	$ 69	97
Name Change [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Estimated useful lives	15 years
Acquisition cost	$ 70	70
Accumulated amortization	(30)	(25)
Net value	$ 40	45
Prototypes [Member]
Finite-Lived Intangible Assets, Net [Abstract]
Estimated useful lives	5 years
Acquisition cost	$ 74	230
Accumulated amortization	0	(217)
Net value	$ 74	$ 13