Income Tax (Details)	3 Months Ended	6 Months Ended
	Sep. 30, 2021 USD ($) item	Jun. 30, 2022 USD ($)	Apr. 30, 2022 USD ($)
Income Tax
Deferred income tax benefit		$ 600,000
Number of ownership changes over 50% | item	5
Federal
Income Tax
Net operating loss carryforwards		163,284,930
NOLs that will expire unutilized	$ 58,182,000
R&D credits that will expire unutilized	$ 2,935,000
Federal | Pelican Therapeutics, Inc.
Income Tax
Net operating loss carryforwards		$ 3,027,284
Federal | Elusys Therapeutics
Income Tax
Net operating loss carryforwards			$ 0