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6. Goodwill and Other Intangibles (Tables)
3 Months Ended
Dec. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Future amortization expense related to intangible assets
       2017  $711,596 
       2018   710,581 
       2019   710,581 
       2020   243,555 
       2021   243,555 
Thereafter   409,503 
   $3,029,371