Quarterly report pursuant to Section 13 or 15(d)

Organization and Business - Cash, Cash Equivalents and Restricted Cash (Details)

v3.21.1
Organization and Business - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Cash and cash equivalents $ 5,165   $ 7,097  
Restricted cash 501   501  
Total cash and restricted cash shown in the statement of cash flows $ 5,666 $ 4,525 $ 7,598 $ 9,608