Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Line Items]
Provision for income taxes	$ 0	$ 0
Net operating loss carryforwards	8,506,035	$ 3,604,179
Research and development and orphan drug credits	$ 7,100,000
Net operating loss carryforwards term	20 years
Net operating loss carryforwards expiration beginning year	2022
U.S. Federal and State
Income Tax Disclosure [Line Items]
Net operating loss carryforwards	$ 36,100,000
State
Income Tax Disclosure [Line Items]
Net operating loss carryforwards	1,100,000
Research and development and orphan drug credits	$ 100,000