Warrants (Tables)

3 Months Ended

Mar. 31, 2020

Equity [Abstract]

Summary of Warrant Activity

A summary of warrant activity during the three months ended March 31, 2020 is as follows:

Warrants outstanding, January 1, 2020	10,384,706
Exercises and conversions	(14,500	)
Warrants outstanding, March 31, 2020	10,370,206

Summary of Periodic Changes in Fair Value of Warrant Liability

For warrants classified as a liability, the following is a summary of the periodic changes in their fair value during the three months ended March 31, 2020:

Balance, January 1, 2020	$	10,000
Changes in fair value		—
Balance, March 31, 2020	$	10,000