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Leases - Schedule of Maturities of Financing Leases (Details) (10-K) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Dec. 31, 2018
Leases [Abstract]      
2020 $ 21 $ 23  
2021   21  
Total Finance lease payments 34 44  
Less imputed interest (1) (3)  
Present value of Finance lease liabilities $ 33 $ 41 $ 86