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Leases (Details 2) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Leases    
Six months ending December 31, 2020 $ 347  
Year ending December 31, 2021 614  
Year ending December 31, 2022 138  
Year ending December 31, 2023 143  
Year ending December 31, 2024 25  
Total 1,267  
Less present value discount 113  
Operating lease liabilities 1,154  
Long-term obligations under operating leases $ 522 $ 848