Commitments and Contingencies (Details) - USD ($)	1 Months Ended					3 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Oct. 31, 2018	Jun. 30, 2018	Apr. 30, 2017	Mar. 31, 2022
2017 License Agreement [Member]
Commitments and Contingencies (Details) [Line Items]
One-time, non-refundable upfront payment					$ 100,000
2017 License Agreement [Member] | Maximum [Member]
Commitments and Contingencies (Details) [Line Items]
Additional consideration upon achievement of certain development and commercial milestones					$ 29,000,000.0
Royalty payments percentage of net product sales if commercialization achieved					2.50%
2017 License Agreement [Member] | Minimum [Member]
Commitments and Contingencies (Details) [Line Items]
Royalty payments percentage of net product sales if commercialization achieved					1.25%
2018 License Agreement [Member]
Commitments and Contingencies (Details) [Line Items]
Payment of one-time, non-refundable, non-creditable initial license fee				$ 100,000
Annual non-refundable, non-creditable development fee payment				100,000
Additional consideration of contingent upon future commercialization				$ 300,000
2019 License Agreement [Member]
Commitments and Contingencies (Details) [Line Items]
Payment of one-time, non-refundable, non-creditable initial license fee		$ 100,000
Annual non-refundable, non-creditable development fee payment		100,000
Additional consideration of contingent upon future commercialization		$ 400,000
2018 Master License Agreement [Member]
Commitments and Contingencies (Details) [Line Items]
Royalty payments percentage of net product sales if commercialization achieved			1.25%
Payment for upfront license fee			$ 200,000
Payment for annual license fee			100,000
Additional consideration upon achievement of certain development milestones			700,000
Additional consideration upon achievement of certain commercial milestones			2,200,000
Additional consideration upon achievement of certain sales milestones			$ 7,000,000.0
2019 Sale Agreement [Member]
Commitments and Contingencies (Details) [Line Items]
Contingent annual fee upon commercialization description						1% of net sales, or $0.1 million, whichever is greater
Contingent annual fee upon commercialization percentage of net sales	1.00%
Contingent annual fee upon commercialization amount of net sales	$ 100,000
2019 Sale Agreement [Member] | Maximum [Member]
Commitments and Contingencies (Details) [Line Items]
One-time milestone payments	$ 1,300,000
2019 Sale Agreement [Member] | Minimum [Member]
Commitments and Contingencies (Details) [Line Items]
Condition upon certain milestone payments waived of percentage	50.00%