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8. Leases (Tables)
6 Months Ended
Jun. 30, 2020
Leases [Abstract]  
Future maturities of lease liabilities
Year   Operating Leases 
Six months ended December 31, 2020   $109 
2021    189 
2022    145 
2023    16 
Thereafter    2 
Total lease payments    461 
Less: Interest    (32)
Present value of lease liabilities   $429