Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Details)

v3.20.2
Commitments and Contingencies - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Other Commitments [Line Items]        
Operating lease, rent expense $ 337,000 $ 224,000 $ 646,000 $ 420,000
Amount of contingent liabilities payable $ 125,000   125,000  
Provision for contingent liabilities     $ 0  
Milan office        
Other Commitments [Line Items]        
Operating lease, option to renew     true  
Operating lease, renewal term 6 years   6 years