Common Stock and Warrants (Tables)

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Summary of warrants outstanding

The following table summarizes information about warrants outstanding at March 31, 2021 and December 31, 2020:

	Shares of Common Stock Issuable from Warrants Outstanding as of				Weighted
	March 31,		December 31,		Average
Description	2021		2020		Exercise Price		Expiration
Series E		584,416		584,416	$	1.54	September 8, 2021
Series F		7,246		7,246	$	3.45	February 23, 2022 & March 9, 2022
Series G		460,250		460,250	$	2.68	July 21, 2022
Series H		910,000		910,000	$	2.75	October 16, 2022
Series I		10,335,000		10,335,000	$	2.00	November 26, 2025
Total		12,296,912		12,296,912