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10. Goodwill (Tables)
9 Months Ended
Sep. 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, September 30, 2015:  $87,244   $81,253   $206,321   $374,818