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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES, Income Taxes (Details) $ in Thousands | 12 Months Ended
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Jun. 27, 2021 USD ($)
Income Taxes [Abstract] |
Net operating loss carryforwards | $ 23,600
Operating loss carryforwards, expiry date | Dec. 31, 2032
Amount of operating loss carryforwards limited with no expiration | $ 1,780
Operating loss carryforward, percentage limitation on use | 80.00%
Minimum [Member] |
Income Tax Examination [Abstract] |
Period in which tax years remained open for examination | 3 years
Maximum [Member] |
Income Tax Examination [Abstract] |
Period in which tax years remained open for examination | 4 years

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