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Long-term liabilities (Tables)
 12 Months Ended
Dec. 31, 2016
Other Liabilities Disclosure [Abstract]  
Other long-term liabilities
Long-term liabilities consisted of the following (in thousands):
December 31:
 
2016
 
2015
Liability for social contribution (1)
 
$
2,643

 
$
2,729

Long-term portion of deferred revenue
 
797

 
1,036

Other
 
38

 
81

Total Long-term liabilities
 
$
3,478

 
$
3,846



(1)
Represents statutory post-employment benefits related to Israeli operations.