Income Tax (Details) - USD ($)		12 Months Ended
	Nov. 15, 2021	Dec. 31, 2021	Dec. 31, 2020
Income Tax
Unrecognized tax benefit		$ 0	$ 0
Unrecognized income tax benefits impact on effective income tax rate		0	0
Accrual for interest and penalties relating to uncertain income tax positions		$ 0	$ 0
Statutory federal tax rate		21.00%	21.00%
Decrease in net operating losses within gross deferred tax assets from write-down of NOLs			$ 13,500,000
Decrease in tax credit carryforwards			3,000,000
Decrease in valuation allowance			3,000,000
Overstatement of gross deferred tax asset and corresponding valuation allowance due to Section 382 review			$ 16,500,000
Federal
Income Tax
Net operating loss carryforwards		$ 145,217,000
Net operating loss available to offset future income		84,582,770
Decrease in net operating loss carryforwards from Section 382 reviews.		58,200,000
Federal | Pelican Therapeutics, Inc.
Income Tax
Net operating loss carryforwards		3,027,284
State
Income Tax
Net operating loss carryforwards		126,400,000
Net operating loss available to offset future income		60,188,000
Decrease in net operating loss carryforwards from Section 382 reviews.		64,100,000
State | Pelican Therapeutics, Inc.
Income Tax
Net operating loss carryforwards		2,464,819
State | North Carolina
Income Tax
Corporate income tax (as a percent)	2.50%
Foreign
Income Tax
Net operating loss carryforwards		$ 139,196