The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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Balance Type:	debit
Period Type:	duration

Intangible assets, net - Additional Information (Details)	12 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2020 CNY (¥)	Jun. 30, 2020 USD ($)
Intangible assets, net
Amortization expenses	$ 11,792	$ 12,147	$ 12,747
Net intangible assets		$ 462,738			$ 437,989
Property pledged as collateral \| Land use right \| CQ Mingwen
Intangible assets, net
Net intangible assets				¥ 10,198,100	$ 1,400,000