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

12 Months Ended

Dec. 31, 2021

Stockholders' Equity and Derivative Liability - Warrants

Schedule of Changes in Derivative Financial Instruments Liability Balance

The following table sets forth the components of changes in our derivative financial instruments liability balance for the years ended December 31, 2021 and 2020:

Date	Description	Number of Warrants Outstanding	Derivative Instrument Liability
December 31, 2019	Balance of derivative financial instruments liability	107,998	$	5,623
	Expiration of warrants	(5,356)	—
	Change in fair value of warrants for the year ended December 31, 2020	—	6,050
December 31, 2020	Balance of derivative financial instruments liability	102,642	11,673
	Expiration of warrants	(4,314)	—
	Reclassification due to adoption of ASU 2020-06 (see Note2)	(87,614)	(11,673)
December 31, 2021	Balance of derivative financial instruments liability	10,714	$	—