Subsequent Event	6 Months Ended
Jun. 30, 2012
Subsequent Events [Abstract]
Subsequent Event	(9) Subsequent Event On July 20, 2012, we completed a fully subscribed stockholder rights offering, pursuant to which our existing stockholders exercising their basic and oversubscription rights purchased a total of 7,250,000 shares of our common stock, which was the maximum number of shares offered in the rights offering, at a price of $0.33 per full share. We received approximately $2.2 million in proceeds from the rights offering, net of costs. The cash received and the shares of our common stock issued in connection with the rights offering are not reflected in our financial statements as of or for the three or six months ended June 30, 2012, but will instead be reflected in our financial statements as of and for the three and nine months ended September 30, 2012.

Subsequent Event

6 Months Ended

Jun. 30, 2012

(9) Subsequent Event

On July 20, 2012, we completed a fully subscribed stockholder rights offering, pursuant to which our existing stockholders exercising their basic and oversubscription rights purchased a total of 7,250,000 shares of our common stock, which was the maximum number of shares offered in the rights offering, at a price of $0.33 per full share. We received approximately $2.2 million in proceeds from the rights offering, net of costs. The cash received and the shares of our common stock issued in connection with the rights offering are not reflected in our financial statements as of or for the three or six months ended June 30, 2012, but will instead be reflected in our financial statements as of and for the three and nine months ended September 30, 2012.