Annual report pursuant to Section 13 and 15(d)

Employee benefit plan (Details) - Schedule of substantially funded

v3.3.0.814
Employee benefit plan (Details) - Schedule of substantially funded - USD ($)
$ in Thousands
Jul. 31, 2015
Dec. 31, 2014
Jul. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Schedule of substantially funded [Abstract]          
Total Assets $ 68,394 $ 2,132 $ 64,411 $ 2,531 $ 2,965
Accumulated Benefit Obligation   $ 2,421   $ 2,697 $ 3,064
Funded status   88.00%   94.00% 97.00%