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8. COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]  
Minimum annual payments under operating leases
   Facilities   Equipment   Total 
2014  $2,187   $770   $2,957 
2015   2,241    639    2,880 
2016   2,025    245    2,270 
2017   1,462        1,462 
2018   1,090        1,090 
Thereafter   236        236 
   $9,241   $1,654   $10,895