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LEASES (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Jan. 03, 2020
Jun. 01, 2019
Oct. 20, 2017
Operating lease liabilities        
April 1, 2020 through December 31, 2020 $ 1,246      
2021 1,878      
2022 1,964      
2023 1,017      
Total undiscounted future minimum lease payments 6,105      
Less: Difference between undiscounted lease payments and discounted operating lease liabilities: (473)      
Total lease liabilities 5,632 $ 1,400 $ 1,600 $ 3,900
Finance lease liabilities        
April 1, 2020 through December 31, 2020 42      
2021 45      
2022 45      
2023 45      
2024 34      
Total undiscounted future minimum lease payments 211      
Less: Difference between undiscounted lease payments and discounted lease liabilities: (32)      
Total lease liabilities $ 179