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Other Non-Current Assets (Details) - Schedule of estimated amortization expenses of rental advance payments
Jun. 30, 2020
USD ($)
Schedule of estimated amortization expenses of rental advance payments [Abstract]  
2021 $ 1,899,638
2022 1,899,638
2023 1,899,638
2024 1,899,638
2025 and thereafter $ 5,244,962