Quarterly report pursuant to Section 13 or 15(d)

Intangible assets and liabilities other than goodwill and excess of cost over fair value of net assets acquired - Future Amortization of Customer Contracts (Details)

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Intangible assets and liabilities other than goodwill and excess of cost over fair value of net assets acquired - Future Amortization of Customer Contracts (Details) - Customer Contracts
Jun. 30, 2017
USD ($)
Finite-Lived Intangible Assets [Line Items]  
Year 1 $ (1,056,338)
Year 2 (914,783)
Year 3 (826,089)
Year 4 (839,851)
Year 5 $ (840,519)