Quarterly report pursuant to Section 13 or 15(d)

Fair Value

v3.22.1
Fair Value
6 Months Ended
Mar. 31, 2022
Fair Value  
Fair Value

8.  Fair Value

As of March 31, 2022 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 March 31, 

As of September 30,

    

2022

    

2021

Remaining contractual term (years)

 

0.0

0.2 - 0.5

Common stock price volatility

 

66.4%

60.6% - 62.5%

Risk-free interest rate

 

0.2%

0.04%

Expected dividend yield

 

The change in fair value of the warrant liabilities for the three and six months ended March 31, 2021 was $0.09 million and $0.7 million, respectively.

As of March 31, 2022 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.