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Derivatives Liability (Tables)
9 Months Ended
Sep. 30, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Summary of Measurement Input Valuation Techniques
The fair value of the warrants classified as liabilities was determined using the Black-Scholes simulation model based on Level 3 inputs on the fair value hierarchy. The following assumptions were used for the periods presented:

Issuance DateSeptember 30, 2023
Share Price$0.10 $0.25 
Exercise Price$0.17 $0.17 
Expected Life2.7 years2.6 years
Annualized Volatility84.5 %88.8 %
Risk-Free Annual Interest Rate4.5 %4.8 %
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation
For the three and nine months ended September 30, 2023 and 2022, changes in fair value of the derivative liabilities measured on a recurring basis using significant unobservable inputs (Level 3) were as follows:

Three Months Ended September 30,Nine Months Ended September 30,
2023202220232022
Balance, beginning of period$— $428 $— $3,502 
Issuance of warrants4,165 — 4,165 — 
Change in fair value of derivative liability11,931 (420)11,931 (3,494)
Balance, end of period$16,096 $$16,096 $