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Investment in Sales-Type Leases, Net (Details 1) - USD ($)
Jun. 30, 2017
Dec. 31, 2016
Investment in Sales-Type Leases, Net [Abstract]    
2018 $ 34,528,557  
2019 19,389,739  
2020 19,389,739  
2021 20,939,061  
2022 21,942,083  
Thereafter 103,939,440  
Total $ 220,128,619 $ 217,470,913