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General (Policies)
9 Months Ended
Sep. 30, 2013
General [Abstract]  
Liquidity Disclosure [Policy Text Block]
Going Concern – We have historically incurred operating losses, and we may continue to generate negative cash flows as we implement our business plan. There can be no assurance that our continuing efforts to execute our business plan will be successful and that we will be able to continue as a going concern. The accompanying consolidated financial statements have been prepared in conformity with accounting principles generally accepted in the United States of America (“US GAAP”), which contemplates our continuation as a going concern. Our net loss for the nine months ended September 30, 2013 and 2012 was $47.5 million and $21.9 million, respectively, including $48.2 million and $23.0 million, respectively, of net losses related to our financing instruments. Our operating income was $0.6 million for the nine months ended September 30, 2013, and our operating loss was $2.3 million for the nine months ended September 30, 2012.
 
Net cash used by operations during the nine months ended September 30, 2013 and 2012 was $0.5 million and $1.4 million, respectively. As of September 30, 2013, we have an accumulated deficit of $312.9 million. We also have a working capital deficit of $117.4 million, including $114.1 million in current liabilities for our derivative and debenture financing instruments.
 
As of September 30, 2013, we do not have sufficient authorized shares of common stock available for issuance to satisfy the conversion rights under certain outstanding convertible debenture and series of preferred stock.  If the holders of such debentures and preferred stock request the conversion of such holdings to common stock, we would be unable to respond to the request which would result in an event of default under such instruments.  Although we are making best efforts to pursue options to be able to honor the conversion rights of the debenture holders and preferred stock, we can provide no assurance that we will be successful with these efforts. 
 
The items discussed above raise doubt about our ability to continue as a going concern.