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Goodwill (Tables)
6 Months Ended
Jun. 30, 2014
Schedule of Goodwill [Table Text Block]

Entity acquired

  Acquisition date     Goodwill  

Equity Partners

  June 2011   $ 573  

HGP

  February 2012     4,728  

NLEX

  June 2014     6,185  

Total goodwill

      $ 11,486