Quarterly report pursuant to Section 13 or 15(d)

General (Details)

v3.19.2
General (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Jun. 30, 2018
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]        
Cash and cash equivalents $ 4,542 $ 1,557    
Restricted cash 6,476 5,080    
Total cash, cash equivalents, and restricted cash shown in the cash flow statement $ 11,018 $ 6,637 $ 6,089 $ 8,904