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Public Offerings of Common Stock
 9 Months Ended
Sep. 30, 2015
Public Offerings of Common Stock [Abstract]  
Public Offerings of Common Stock

11. PUBLIC OFFERINGS OF COMMON STOCK

In February 2014 the Company completed a public offering of common stock under its January 2014 shelf registration. The Company sold 3,661 shares of common stock, par value $0.001 per share, at a price of $19.25 per share, generating proceeds of $65,830 after expenses. Offering costs were recorded in additional paid in capital to offset proceeds.