Commitments and Contingencies - Binding LOI (Details) - USD ($)						9 Months Ended	12 Months Ended
	Dec. 09, 2020	Sep. 30, 2019	Apr. 19, 2018	Mar. 31, 2018	Nov. 19, 2015	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018	Mar. 29, 2018
Other Commitments [Line Items]
Stock issued during the period (in shares)		11,788
Stock issued during the period								$ 16,777,666
Market value of stock on measurement date (in dollars per share)									$ 19.18
Non-cash research and development expense							$ 9,079,351	8,478,817
Scenario, Forecast
Other Commitments [Line Items]
Non-cash research and development expense	$ 177,409
Gain on settlement of liability	$ 16,503
Letter of Intent
Other Commitments [Line Items]
Stock issued during the period (in shares)			37,866		14,327
Stock issued during the period					$ 120,300			776,000
Additional stock issued during the period, upon milestones (in shares)				37,866	92,634
Royalties received, threshold for share issuance				$ 2,000,000
Net product sales milestone one				30,000,000
Net product sales milestone two				40,000,000
Net product sales milestone three				55,000,000
Net product sales milestone four				$ 75,000,000
Common stock, value, to be issued									$ 726,000
Letter of Intent | Research and Development Expense
Other Commitments [Line Items]
Stock issued during the period								726,000
Letter of Intent | Other Expense
Other Commitments [Line Items]
Stock issued during the period								$ 50,000
Narcan
Other Commitments [Line Items]
Shares issued sales exceed amount						$ 200,000,000