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Subsequent Events	3 Months Ended
Subsequent Events	Mar. 31, 2015
Subsequent Events [Abstract]
Subsequent Events	14. Subsequent Events We have evaluated subsequent events through the date of the filing of this quarterly report on Form 10-Q with the Securities and Exchange Commission. During April 2015, the Company received gross proceeds of $0.1 million from the issuance of 65,454 shares of common stock through the Controlled Equity Offering. See Note 10 for additional information on the Controlled Equity Offering.