Goodwill and other intangible assets (Tables)

12 Months Ended

Dec. 31, 2023

Goodwill and other intangible assets

Schedule of carrying amount of goodwill and intangible assets

					Intangible
	Goodwill		IPRD		Assets
Balance at December 31, 2021	$	—	$	3,500,000	$	—
Impairment		—		(3,500,000)		—
Acquisition of Elusys Therapeutics		5,067,748		—		11,200,000
Measurement period adjustments		(1,765,789)		—		(1,500,000)
Amortization		—		—		(1,030,625)
Balance at December 31, 2022		3,301,959		—		8,669,375
Acquisition fair value adjustment		571,120		—		—
Impairment		(3,873,079)		—		(2,277,921)
Amortization of intangible asset		—		—		(1,091,250)
Reclassified to discontinued operations		—		—		(5,300,204)
Balance at December 31, 2023	$	—	$	—	$	—