Grant Revenue (Details) - USD ($)	1 Months Ended					3 Months Ended		6 Months Ended
	Dec. 31, 2019	Oct. 31, 2017	May 31, 2017	Jun. 30, 2016	May 31, 2016	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Grant Revenue
Revenue						$ 593,165	$ 342,487	$ 1,495,045	$ 1,043,549
Pelican Therapeutics, Inc.
Grant Revenue
Amount awarded from CPRIT grant					$ 15,200,000
Remaining grant amount						1,500,000		1,500,000
Contribution to be made by Pelican						7,600,000		$ 7,600,000
Pelican Therapeutics, Inc. | Maximum
Grant Revenue
Amount awarded from CPRIT grant				$ 15,200,000
Royalty percentage after threshold is met								1.00%
Pelican Therapeutics, Inc. | Tranche I
Grant Revenue
Revenue			$ 1,800,000
Pelican Therapeutics, Inc. | Tranche II
Grant Revenue
Revenue		$ 6,500,000
Pelican Therapeutics, Inc. | Tranche III
Grant Revenue
Revenue	$ 5,400,000
Pelican Therapeutics, Inc. | Grant revenue
Grant Revenue
Revenue								$ 11,800,000
Amount the company is required to match of each dollar of grant						0.50		0.50
Threshold amount for match of grant						$ 1.00		$ 1.00