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Subsequent Event	3 Months Ended
Subsequent Event	Mar. 31, 2017
Subsequent Events [Abstract]
Subsequent Event	Note 14. Subsequent Event In April 2017, the Oxford Term Loan Agreement was amended to include an additional interest-only period for all advances under the Term Loan Agreement. As amended, the Company is required to make interest only payments from May 2017 through December 2017 followed by eighteen months of equal principal and interest payments thereafter.