Stock Warrants (Tables)

3 Months Ended

Mar. 31, 2021

Stock Warrants

Summary of all warrant activity

A summary of all warrant activity for the Company for the quarter ended March 31, 2021 and the year ended December 31, 2020 is as follows:

	Number of	Weighted Average
	Warrants	Exercise Price
Balance at December 31, 2019	18,714,999		3.24
Granted	—		—
Exercised	—		—
Forfeited	(714,286)		50.05
Balance at December 31, 2020	18,000,713	$	0.69
Granted	—		—
Exercised	11,655,747		0.69
Forfeited	—		—
Balance at March 31, 2021	6,344,966	$	0.69

Summary of all outstanding and exercisable warrants

A summary of all outstanding and exercisable common stock warrants as of March 31, 2021 is as follows:

				Weighted Average
		Warrants	Warrants	Remaining
Exercise Price		Outstanding	Exercisable	Contractual Life
$	0.69	6,344,252	6,344,252	2.53 years
	18.20	714	714	1.74 years
$	0.69	6,344,966	6,344,966	2.53 years