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SUBSEQUENT EVENT (Notes)
12 Months Ended
Dec. 31, 2013
SUBSEQUENT EVENT [Abstract]  
Subsequent Events
SUBSEQUENT EVENT
In February 2014, we completed a registered public offering of 14.1 million newly issued shares of our common stock. The common stock was issued at a price to the public of $2.45 per share. We received net proceeds of approximately $31.3 million from the offering after deducting underwriting discounts and estimated offering expenses.