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Investment in Sales-Type Leases, Net (Details 1) - USD ($)
Dec. 31, 2016
Dec. 31, 2015
Investment in Sales-Type Leases, Net [Abstract]    
2017 $ 20,469,944  
2018 12,281,966  
2019 12,281,966  
2020 12,281,966  
2021 12,281,966  
Thereafter 27,288,454  
Total $ 96,886,262 $ 387,612,418