Quarterly report pursuant to Section 13 or 15(d)

Supplementary Information For Statement of Cash Flows (Details)

v3.19.3
Supplementary Information For Statement of Cash Flows (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Dec. 31, 2017
Supplementary Information For Statement of Cash Flows        
Cash and cash equivalents $ 3,360 $ 6,372 $ 11,621  
Restricted cash 7,463 7,458 7,457  
Total $ 10,823 $ 13,830 $ 19,078 $ 11,437