STOCKHOLDERS' EQUITY

6 Months Ended

Mar. 31, 2014

Equity [Abstract]

STOCKHOLDERS' EQUITY

STOCKHOLDERS’ EQUITY

Authorized Capital Stock

We are authorized to issue up to 250 million shares of common stock, par value $0.01, per share, of which 9.2 million shares are reserved for future potential issuance upon conversion of debt, 8.5 million shares of common stock have been reserved for issuance under our stock compensation plans, and 3.4 million shares of common stock are reserved for issuance under

our ESPP.

We are authorized to issue up to 10 million shares of preferred stock, with a par value of $0.01 per share, none of which

are outstanding.

In December 2012, we raised $17.1 million, net of offering costs of $1.6 million, from the registered public sale of 10,651,280 shares of common stock at $1.75 per share, which was a discount to the market price of our common stock.

In June 2013, we raised an additional $37.4 million, net of offering expenses of $2.8 million, from the registered public sale of 18,720,000 shares of common stock at $2.15 per share, which was a discount to the market price of our common stock.