Stockholder’s Equity and Derivative Liability - Warrants (Tables)

3 Months Ended

Mar. 31, 2020

Schedule of changes in derivative financial instruments liability balance

		Number of		Derivative
		Warrants		Instrument
Date	Description	Outstanding		Liability
December 31, 2019	Balance of derivative financial instruments liability		107,998		5,623
	Change in fair value of warrants for the three months ended March 31, 2020		—		9,680
March 31, 2020	Balance of derivative financial instruments liability		107,998	$	15,303

October 13 2015

Schedule of assumptions used to measure the warrants to remeasure liability

	March 31,			December 31,
	2020			2019
Price of Hepion common stock	$	1.77		$	5.36
Expected warrant term (years)		0.53	years		0.78	years
Risk-free interest rate		0.33	%		1.66	%
Expected volatility		144	%		72	%
Dividend yield		—			—

April 4 2016

Schedule of assumptions used to measure the warrants to remeasure liability

	March 31,			December 31,
	2020			2019
Price of Hepion common stock	$	1.77		$	5.36
Expected warrant term (years)		1.01	years		1.26	years
Risk-free interest rate		0.33	%		1.66	%
Expected volatility		130	%		75	%
Dividend yield		—			—

April 25 2017

Schedule of assumptions used to measure the warrants to remeasure liability

	March 31,			December 31,
	2020			2019
Price of Hepion common stock	$	1.77		$	5.36
Expected warrant term (years)		2.06	years		2.31	years
Risk-free interest rate		0.33	%		1.66	%
Expected volatility		117	%		69	%
Dividend yield		—			—

July 3 2018

Schedule of assumptions used to measure the warrants to remeasure liability

	March 31,			December 31,
	2020			2019
Price of Hepion common stock	$	1.77		$	5.36
Expected warrant term (years)		3.25	years		3.50	years
Risk-free interest rate		0.33	%		1.66	%
Expected volatility		116	%		65	%
Dividend yield		—			—