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Commitments and Contigencies (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
May 16, 2017
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Commitments and Contigencies (Textual)          
Sublease rental income   $ 51,111 $ 51,784 $ 102,420 $ 104,688
Damages amount $ 6,000,000