Accounts Receivable, Net (Details 1) - USD ($)	6 Months Ended	12 Months Ended
	Dec. 31, 2019	Jun. 30, 2019
Receivables [Abstract]
Beginning balance	$ 5,670,274	$ 1,682,228
Provision for doubtful accounts	1,282,492	4,091,056
Less: write-off/recovery	(76,497)	(88,882)
Exchange rate effect	(14,575)	(14,128)
Ending balance	$ 6,861,694	$ 5,670,274