EARNINGS PER SHARE (Detail Textuals) - USD ($)	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Class of Stock [Line Items]
Total cumulative preferred stock dividends in arrears	$ 8,108,896	$ 7,980,824
6% convertible prior cumulative preferred stock
Class of Stock [Line Items]
Redemption price per share (in dollars per share)	$ 5.25	$ 5.25
Preferred stock, liquidation preference per share (in dollars per share)	$ 5.25	$ 5.25
6% convertible prior cumulative preferred stock | Series A
Class of Stock [Line Items]
Number of common stock exchanged for each preferred stock held	4	4
6% convertible prior cumulative preferred stock | Series B
Class of Stock [Line Items]
Number of common stock exchanged for each preferred stock held	3.75	3.75
5% convertible cumulative preferred stock
Class of Stock [Line Items]
Redemption price per share (in dollars per share)	$ 21.00	$ 21.00
Preferred stock, liquidation preference per share (in dollars per share)	$ 20.00	$ 20.00
Number of common stock exchanged for each preferred stock held	3.795	3.795