Warrants to Purchase Common Stock

6 Months Ended

Jun. 30, 2020

Notes to Financial Statements

Warrants to Purchase Common Stock

Note 8 – Warrants to Purchase Common Stock

All warrants outstanding as of June 30, 2020 are scheduled to expire between June 25, 2021 and October 31, 2024.

A summary of activity related to warrants for the six months ended June 30, 2020 follows:

	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Term
Outstanding at January 1, 2020		4,531,924		$	0.72		4.05
Issued		2,455,476			1.35		1.00
Exercised		(3,703,703	)		0.25		—
Outstanding at June 30, 2020		3,283,697			1.39		1.71
Exercisable at June 30, 2020		3,283,697			1.39		1.71

A summary of activity related to warrants for the six months ended June 30, 2019 follows:

	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term
Outstanding at January 1, 2019		4,531,924	$	0.72		4.56
Outstanding at June 30, 2019		4,531,924		0.72		4.56
Exercisable at June 30, 2019		4,531,924		0.72		4.56