Quarterly report pursuant to Section 13 or 15(d)

Fair Value

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Fair Value
3 Months Ended
Dec. 31, 2021
Fair Value  
Fair Value

9.  Fair Value

As of December 31, 2021 and September 30, 2021, the fair value of warrants measured at fair value was $0. The fair value of the warrant liabilities was determined using level 3 inputs and the Black-Scholes option pricing model. The following assumptions were used in determining the fair value of the warrant liabilities:

As of December 31, 

As of September 30,

    

2021

    

2021

Remaining contractual term (years)

 

0.3

0.2 - 0.5

Common stock price volatility

 

62.5%

60.6% - 62.5%

Risk-free interest rate

 

0.1%

0.04%

Expected dividend yield

 

The change in fair value of the warrant liabilities for the three months ended December 31, 2020 was $0.6 million.

As of December 31, 2021 and September 30, 2021, the carrying value of cash and cash equivalents, accounts payable and the insurance note payable approximate fair value due to the short-term nature of these instruments.