Commitments - Exclusive License and Collaboration Agreement (Details) - USD ($)		3 Months Ended		37 Months Ended
	Nov. 19, 2015	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Other Commitments [Line Items]
Stock issued during the period			$ 642,000
Letter of Intent
Other Commitments [Line Items]
Stock newly-issued during the period (in shares)	14,327	0		66,520
Stock issued during the period	$ 120,300			$ 894,400
Additional stock issued during the period, upon milestones (in shares)	92,634