Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details Textual)

v3.6.0.2
Commitments and Contingencies (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Commitments and Contingencies (Textual)    
Lease rental expenses $ 965 $ 997
Lease expiration period Various dates through 2020.  
Period of renewal option of agreements One to five years