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WARRANTS
 12 Months Ended
Dec. 31, 2021
Warrants and Rights Note Disclosure [Abstract]  
WARRANTS WARRANTS
The following table summarizes warrant activity for the years ended December 31, 2021 and 2020:
SharesWeighted-
Average
Exercise
Price
Warrants Outstanding as of January 1, 20201,313,459 $2.67 
Warrants Issued— $— 
Warrants Expired(236,904)$5.73 
Warrants Outstanding as of December 31, 20201,076,555 $1.99 
Warrants Issued85,336,515 $0.08 
Warrants Exercised(586,198)$0.07 
Warrants Outstanding as of December 31, 202185,826,872 $0.22 
The weighted-average exercise price and weighted-average fair value of the warrants granted by the Company during 2021 were as follows:
For the Year Ended
December 31, 2021
Weighted-
Average
Exercise
Price		Weighted-
Average Fair
Value
Warrants Granted Whose Exercise Price Exceeded Fair Value at the Date of Grant$0.08 $0.21 
Warrants Granted Whose Exercise Price Was Equal or Lower Than Fair Value at the Date of Grant$— $— 
The Company estimated the fair value of the warrants issued during 2021 utilizing the Black-Scholes option-pricing model with the following weighted-average inputs:
Year Ended December 31,
2021
Volatility112.6 %
Term3.8 years
Risk-Free Interest Rate0.2 %
Expected Dividend Rate0.0 %
For the years ended December 31, 2021 and 2020, zero warrants were issued in connection with debt and recorded as a debt discount.