Quarterly report pursuant to Section 13 or 15(d)

Scheduled Principal Payments Due On West Mifflin Note Payable (Details)

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Scheduled Principal Payments Due On West Mifflin Note Payable (Details) - West Mifflin Note Payable [Member] - USD ($)
Jun. 30, 2017
Dec. 31, 2016
Sep. 25, 2015
Debt Instrument [Line Items]      
2017 $ 0    
2018 22,044    
2019 136,007    
2020 7,219,449    
Total $ 7,377,500 $ 7,377,500 $ 7,377,500