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Summary of Significant Accounting Policies (Narrative) (Details)		1 Months Ended						12 Months Ended			36 Months Ended
	Nov. 01, 2017 USD ($)	Dec. 31, 2019 USD ($)	Oct. 31, 2018 shares	Oct. 31, 2017 USD ($)	May 31, 2017 USD ($)	Jun. 30, 2016 USD ($)	May 31, 2016 USD ($)	Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	May 31, 2020 USD ($)	Oct. 01, 2019 USD ($)	Jan. 01, 2019 USD ($)	Sep. 30, 2018
Revenue								$ 3,049,104	$ 5,793,849
Accumulated deficit		$ (104,597,748)						(104,597,748)	(84,580,180)
Net loss								$ (20,384,716)	$ (16,591,293)
Number of reportable segments \| segment								1
Percentage of non-controlling interest acquired		15.00%						15.00%	15.00%
Restricted cash from cash flows		$ 9,039,887						$ 9,039,887	$ 22,154,251	$ 9,765,359
Cash balance insured		250,000						250,000	250,000
Cash balance uninsured		8,474,836						8,474,836
Assets transfer from level 1 to level 2		0						0	0
Assets transfer from level 2 to level 1		0						0	0
Liabilities transfer from level 1 to level 2		0						0	0
Liabilities transfer from level 2 to level 1		0						0	0
Assets transfer in to level 3								0	0
Assets transfer out of level 3								0	0
Liabilities transfer in to level 3								0	0
Liabilities transfer out of level 3								0	0
Fair value of the contingent consideration								613,290	495,936
Revenue From Contract With Customer Including Assessed Tax								3,049,104	5,793,849
Unrecognized tax benefit		0						$ 0	$ 0
Federal corporate tax rate								21.00%		34.00%
Right-of-use asset		$ 2,287,500						$ 2,287,500				$ 2,000,000
ASU 2016-02
Right-of-use asset													$ 520,399
Lease liabilities													$ 528,253
Lab equipment
Useful life								P5Y
Computers
Useful life								P3Y
Furniture and fixtures and leasehold improvements
Useful life								P8Y
Heat I
Ownership interest in subsidiary		100.00%	100.00%					100.00%	100.00%
Pelican Therapeutics, Inc.
Ownership interest in subsidiary		85.00%	85.00%					85.00%	85.00%					80.00%
CPRIT
Deferred revenue	$ 3,400,000	$ 3,400,000						$ 3,400,000
Grant receivable	$ 200,000
CPRIT \| Minimum
Period of maintenance of employment levels	7 years
CPRIT \| Grant revenue
Grant receivable		$ 1,500,000						$ 1,500,000
Heat I, Inc. and Pelican
Shares issued in acquisition \| shares			35,000
Pelican Therapeutics, Inc.
Percentage of voting interests acquired in acquisition		85.00%						85.00%	80.00%	80.00%
Percentage of non-controlling interest acquired		20.00%						20.00%
Amount awarded from CPRIT grant						$ 15,200,000	$ 15,200,000				$ 15,200,000
Contract value								$ 10,300,000
Pelican Therapeutics, Inc. \| Grant revenue
Revenue								10,300,000
Revenue From Contract With Customer Including Assessed Tax								10,300,000
Grant receivable		$ 1,500,000						$ 1,500,000
Pelican Therapeutics, Inc. \| First tranche \| Grant revenue
Revenue					$ 1,800,000
Revenue From Contract With Customer Including Assessed Tax					$ 1,800,000
Pelican Therapeutics, Inc. \| Second tranche \| Grant revenue
Revenue				$ 6,500,000
Revenue From Contract With Customer Including Assessed Tax				$ 6,500,000
Pelican Therapeutics, Inc. \| Third Tranche \| Grant revenue
Revenue		5,400,000
Revenue From Contract With Customer Including Assessed Tax		$ 5,400,000