ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Adoption of ASC 842, "Leases" (Details) - USD ($) $ in Thousands		Jun. 28, 2020	Jun. 30, 2019
Balance Sheet [Abstract]
Operating lease right of use asset, net		$ 3,567	$ 0
Operating lease liabilities, current		632	0
Operating lease liabilities, net of current portion		3,471	$ 0
ASU 2016-02 [Member]
Operating Leases [Abstract]
Percentage of change to total assets under operating leases			30.00%
Percentage of change to total liabilities under operating leases			64.00%
Balance Sheet [Abstract]
Operating lease right of use asset, net		3,567	$ 3,862
Operating lease liabilities, current		632	528
Operating lease liabilities, net of current portion		$ 3,471	3,347
Deferred rent recorded for lease incentives			132
Deferred rent tenant improvements			302
ASU 2016-02 [Member] | Adoption [Member]
Balance Sheet [Abstract]
Operating lease right of use asset, net			3,428
Operating lease liabilities, current			528
Operating lease liabilities, net of current portion			3,347
ASU 2016-02 [Member] | Reclassification [Member]
Balance Sheet [Abstract]
Operating lease right of use asset, net	[1]		$ 434

[1] As of June 30, 2019, the Company had $132 thousand recorded within deferred rent for lease incentives incurred at the inception of the affected leases and $302 thousand in deferred rent tenant improvements. Upon adoption of the new standards update, these lease incentives were included within the operating lease liability.