PREFERRED STOCK - Additional Information (Details)	12 Months Ended
	Jun. 30, 2020 $ / shares	Jun. 30, 2019 $ / shares
Class of Stock [Line Items]
Series A preferred stock, redemption price per share (in USD per share)	$ 0
Series A Convertible Preferred Stock
Class of Stock [Line Items]
Preferred stock, voting percentage	0.1988
Series A preferred stock annual cumulative dividend price per share (in USD per share)	$ 1.50
Series A preferred stock, redemption price per share (in USD per share)	11.00
Liquidation price to be received by series A preferred stock holder for each outstanding share plus all cumulative unpaid dividends (in USD per share)	10	$ 10
Series A Convertible Preferred Stock | Common Stock
Class of Stock [Line Items]
Cumulative unpaid dividends converted into common shares (in USD per share)	$ 1,000