STOCKHOLDERS' EQUITY (Narrative) (Details) (USD $)	1 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2012	Sep. 30, 2014	Sep. 30, 2013
Class of Stock [Line Items]
Common stock, shares authorized				250,000,000	250,000,000
Common stock, par value (in dollars per share)				$ 0.01	$ 0.01
Preferred stock, shares authorized				10,000,000	10,000,000
Preferred stock, par value (in dollars per share)				$ 0.01	$ 0.01
Value of stock issued	$ 26,600,000	$ 37,400,000	$ 17,100,000
Offering costs	$ 2,100,000	$ 2,800,000	$ 1,600,000
Stock issued (in shares)	8,582,076	18,720,000	10,651,280
Price per share (in dollars per share)	$ 3.35	$ 2.15	$ 1.75
Stock Options
Class of Stock [Line Items]
Common stock, shares reserved for future issuance				8,400,000
Employee Stock Purchase Plan shares
Class of Stock [Line Items]
Common stock, shares reserved for future issuance				3,000,000
Conversion of debt
Class of Stock [Line Items]
Common stock, shares reserved for future issuance				9,200,000