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15. Other Liabilities (Tables)
 12 Months Ended
Dec. 31, 2015
Other Liabilities [Abstract]  
Other Liabilities

Other liabilities consist of the following (in thousands): 

      December 31,
      2015     2014
Settlement obligations (see note 22)   $ 12,955    $ 11,229 
Deferred revenue     314      3,743 
Other     222      47 
     Total contracts payable and other obligations     13,491      15,019 
Less current portion     (6,753)     (3,264)
     Other liabilities - long-term   $ 6,738    $ 11,755