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Investment in Sales-Type Leases, Net (Details 1) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Investments [Abstract]    
2020 $ 27,063,444  
2021 6,536,510  
2022 6,536,510  
2023 6,536,510  
2024 6,536,510  
Thereafter 3,268,255  
Total $ 56,477,739 $ 88,661,266