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INCOME TAXES (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 27, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Income Tax Disclosure [Abstract]          
Income tax expense (benefit)   $ 354 $ 182 $ 697 $ 78
Valuation allowance   $ 18,345   $ 18,345  
Tax refund $ 321