Quarterly report pursuant to Section 13 or 15(d)

Supplementary Information For Statement of Cash Flows (Details)

v3.20.2
Supplementary Information For Statement of Cash Flows (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2019
Dec. 31, 2018
Supplementary Information For Statement of Cash Flows        
Cash and cash equivalents $ 5,567 $ 7,752 $ 6,536  
Restricted cash 7,463 7,463 7,461  
Total $ 13,030 $ 15,215 $ 13,997 $ 13,830