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10. Goodwill (Tables)
6 Months Ended
Jun. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in goodwill and accumulated impairment
    K9 Bytes     Jadian     Strand     Total
Balance, December 31, 2014:     87,244     81,253     206,321       374,818
Goodwill acquired during the period                  
Impairment loses                  
Balance, June 30, 2015:   $ 87,244     $ 81,253     $ 206,321     $ 374,818