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LONG-TERM DEBT - Debt Redemptions, Repurchases and Extinguishment of Debt (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2019
Jun. 30, 2019
Jun. 30, 2019
Jun. 28, 2020
Dec. 29, 2019
LONG-TERM DEBT          
Loss on extinguishment of debt, net   $ (1,986,000) $ (1,986,000)    
6.875% senior secured junior lien notes due in 2031          
LONG-TERM DEBT          
Aggregate principal amount of notes issued $ 75,000,000        
Interest rate (as a percent)       6.875% 6.875%
Gain (loss) from debt exchange $ 0