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Loans Secured by Real Estate - Schedule of Maturities of Long-term Bank Loans (Details)
Dec. 31, 2019
USD ($)
Debt Disclosure [Abstract]  
2020 $ 531,488
2021 147,207
2022 148,052
2023 148,935
2024 148,105
Thereafter 869,264
Total $ 1,993,051