Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Summary of Significant Accounting Policies (Details)

v3.20.2
Description of Business and Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2019
Dec. 31, 2018
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Cash and cash equivalents $ 53,466 $ 9,254    
Restricted cash - current 48 48    
Restricted cash - long-term 391 391    
Cash, cash equivalents and restricted cash $ 53,905 $ 9,693 $ 20,000 $ 14,104