Quarterly report pursuant to Section 13 or 15(d)

Supplementary Information For Statement of Cash Flows (Details)

v3.7.0.1
Supplementary Information For Statement of Cash Flows (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Jun. 30, 2016
Dec. 31, 2014
Supplementary Information For Statement of Cash Flows        
Cash and cash equivalents $ 7,320 $ 1,552 $ 2,475  
Restricted cash 7,557 7,557 7,557  
Total $ 14,877 $ 9,109 $ 10,032 $ 9,000