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Other Non-Current Assets (Tables)
9 Months Ended
Mar. 31, 2018
Other Non-Current Assets [Abstract]  
Schedule of estimated amortization expenses of the lease advance payments
Twelve months ending March 31,   
2019 $2,135,918 
2020 $2,135,918 
2021 $2,135,918 
2022 $2,135,918 
2023 and thereafter $10,883,332