Subsequent Events	9 Months Ended
	Sep. 30, 2020
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsOn October 26, 2020, the Company entered into a Master Services Agreement (“MSA”) with AptarGroup, Inc. (“Aptar”) to provide non-exclusive technology access and co-development services for the development and submission of an opioid antagonist for the treatment of opioid overdose using Aptar’s nasal Unidose device (the “UDS Device”). In addition to the cost of the UDS Devices, the Company expects to spend up to €3,750,000 over the course of the development program.On September 7, 2018, the Company entered into a Development Agreement to develop a device capable of administrating nalmefene hrydrochloride and related Agreement for Reimbursement of Capital Expenditure and Service Fees (collectively, "Agreement") with Aesica Queenborough Limited ("Aesica"). On October 28, 2020, the Company notified Aesica that, effectively immediately, the Company was terminating the Agreement pursuant to Section 18.2(a) of the Agreement.