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Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2019
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases
Future minimum payments under all operating leases are as follows (in thousands):
Year ended December 31,
 
2019
$
90

2020
166

Total
$
256