Annual report pursuant to Section 13 and 15(d)

Leases (Maturities of Lease Liabilities) (Details)

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Leases (Maturities of Lease Liabilities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
2021 $ 225  
2022 152  
2023 47  
2024 4  
Total lease payments 428  
Less imputed interest (17)  
Total operating lease liabilities $ 411 $ 360