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Subsequent Event	9 Months Ended
Subsequent Event	Sep. 30, 2017
Subsequent Events [Abstract]
Subsequent Event	12. Subsequent Event In October 2017, the Company signed an amendment to the research agreement with the University. Under the amendment, the Company extended the research agreement with the University through August 31, 2018 for an annual amount not to exceed $375,000 during the term of the agreement.