Annual report pursuant to Section 13 and 15(d)

Defined Contribution Plan (Details)

v3.6.0.2
Defined Contribution Plan (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Defined Contribution Plan      
Company's matching contributions equal to each employee's contribution (as a percent) 50.00%    
Maximum contribution of employees as a percentage of their compensation 6.00%    
Amount expensed $ 211 $ 211 $ 194