LOSS PER SHARE - Additional information (Details)	3 Months Ended
	Sep. 30, 2024 USD ($) $ / shares shares	Sep. 30, 2023 USD ($) shares
LOSS PER SHARE
Anti-dilutive shares issuable upon conversion of preferred stock | shares	1,033,334	1,033,334
Total cumulative preferred stock dividends in arrears | $	$ 9,005,400	$ 8,877,328
6% Prior Cumulative Preferred, $5 par value
LOSS PER SHARE
Redemption price per share (in dollars per share) | $ / shares	$ 5.25
Preferred stock, liquidation preference per share (in dollars per share) | $ / shares	$ 5.25
Prior Cumulative Preferred Stock - Series A
LOSS PER SHARE
Number of common stock exchanged for each preferred stock held | shares	1
Ratio of common stock exchanged for each preferred stock held	4
Prior Cumulative Preferred Stock - Series B
LOSS PER SHARE
Number of common stock exchanged for each preferred stock held | shares	1
Ratio of common stock exchanged for each preferred stock held	3.75
5% Convertible Cumulative Preferred, $20 Par Value
LOSS PER SHARE
Redemption price per share (in dollars per share) | $ / shares	$ 21
Preferred stock, liquidation preference per share (in dollars per share) | $ / shares	$ 20
Number of common stock exchanged for each preferred stock held | shares	1
Ratio of common stock exchanged for each preferred stock held	3.795