Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Details)

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Leases - Additional Information (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Leases        
Operating Lease, Cost $ 52,000 $ 52,000    
Lease, Cost     $ 156,000 $ 156,000