Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Details 1)

v3.8.0.1
Significant Accounting Policies (Details 1) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Mar. 13, 2015
Cash and cash equivalents $ 34,975 $ 27,499    
Restricted cash (long-term) 500 0    
Total cash, cash equivalents and restricted cash $ 35,475 $ 27,499 $ 0 $ 0