Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2020

Fair Value Disclosures [Abstract]

Fair value measurements using significant unobservable inputs

The table below presents the activity within Level 3 of the fair value hierarchy for the twelve months ended December 31, 2020:

Fair Value Measurements Using Significant Unobservable

Inputs (Level 3)

	Warrant Liability
Balance at January 1, 2019	$	33
Total change in the liability included in earnings		(17,498	)
Reclass from liability to equity		(11	)
Fair value of warrants issued		20,844
Balance at December 31, 2019		3,368
Total change in the liability included in earnings		2,832
Reclass from liability to equity		(6,200	)
Balance at December 31, 2020		-

Schedule of fair value of the outstanding warrants

The fair value of the warrants measured during the years ended December 31, 2020 and 2019 were determined by using option pricing models assuming the following:

	For the Year Ended December 31,
	2020		2019
Contractual life (in years)		4.30		4.60
Expected volatility	208.2%		207.50%
Risk-free interest rates	1.40%		1.70%

Assets and liabilities measured at fair value on a recurring basis

The table below presents the Company’s assets and liabilities measured at fair value on a recurring basis as of December 31, 2020 and 2019, aggregated by the level in the fair value hierarchy within which those measurements fall.

Assets and Liabilities Measured at Fair Value on a Recurring Basis

	Assets and Liabilities Measured at Fair Value on a Recurring Basis
	Level 1				Level 2				Level 3				Balance at December 31,
	2020		2019		2020		2019		2020		2019		2020		2019
Liabilities
Derivative instrument liabilities	$	—	$	—	$	—	$	—	$	—	$	3,368	$	—	$	3,368