Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Details)

v3.20.1
Significant Accounting Policies (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Accounting Policies [Abstract]      
Cash and cash equivalents $ 3,839 $ 1,161  
Restricted cash 2,389 4,366  
Total cash, cash equivalents, and restricted cash $ 6,228 $ 5,527 $ 7,356