TAXES - Components of the income tax provision (Details) - USD ($)	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Components of the income tax provision
Current income tax provision	$ 1,715,756	$ 779,576	$ 381,996
Deferred income tax benefit	(16,066)	(38,019)	172,525
Total	$ 1,699,690	$ 741,557	$ 554,521

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

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Name:	us-gaap_DeferredIncomeTaxExpenseBenefit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration