SERIES K PREFERRED STOCK (Summary of Conversion Activity of Series K Preferred Stock) (Details) - Series K Preferred Stock [Member] - USD ($) $ in Thousands	3 Months Ended			15 Months Ended
	Jun. 30, 2018	Sep. 30, 2017	Jun. 30, 2017	Jun. 30, 2018
Class of Stock [Line Items]
Principal Converted (in shares)	2,810	3,000	3,200	9,010
Value of Preferred Shares	$ 2,810	$ 3,000	$ 3,200	$ 9,010
Common Shares Issued (in shares)	702,500	750,000	800,000	2,252,500