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Fair Value of Financial Instruments
9 Months Ended
Sep. 30, 2023
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments

3. Fair Value of Financial Instruments

The following tables summarize the Company’s assets that require fair value measurements on a recurring basis and their respective input levels based on the fair value hierarchy (in thousands):

 

 

 

 

 

 

Fair Value Measurements Using

 

 

 

 

 

 

Quoted Prices in

 

 

Significant

 

 

Significant

 

 

 

 

 

 

Active Markets

 

 

Other

 

 

Unobservable

 

 

 

 

 

 

for Identical

 

 

Observable

 

 

Inputs

 

 

 

September 30,
2023

 

 

Assets (Level 1)

 

 

Inputs (Level 2)

 

 

(Level 3)

 

Short-term investments:

 

 

 

 

 

 

 

 

 

 

 

 

U.S. treasury securities

 

$

11,924

 

 

$

11,924

 

 

$

-

 

 

$

-

 

Total

 

$

11,924

 

 

$

11,924

 

 

$

-

 

 

$

-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fair Value Measurements Using

 

 

 

 

 

 

Quoted Prices in

 

 

Significant

 

 

Significant

 

 

 

 

 

 

Active Markets

 

 

Other

 

 

Unobservable

 

 

 

 

 

 

for Identical

 

 

Observable

 

 

Inputs

 

 

 

December 31,
2022

 

 

Assets (Level 1)

 

 

Inputs (Level 2)

 

 

(Level 3)

 

Short-term investments:

 

 

 

 

 

 

 

 

 

 

 

 

U.S. treasury securities

 

$

11,916

 

 

$

11,916

 

 

$

-

 

 

$

-

 

Total

 

$

11,916

 

 

$

11,916

 

 

$

-

 

 

$

-

 

U.S. treasury securities and certificates of deposit are valued using Level 1 inputs. Level 1 securities are valued at unadjusted quoted prices in active markets that are observable at the measurement date for identical, unrestricted assets or liabilities. Fair values determined by Level 2 inputs, which utilize data points that are observable such as quoted prices, interest rates and yield curves, require the exercise of judgment and use of estimates, that if changed, could significantly affect the Company’s financial position and results of operations. Investments in agency securities are valued using Level 2 inputs. Level 2 securities are initially valued at the transaction price and subsequently valued and reported utilizing inputs other than quoted prices that are observable either directly or indirectly, such as quotes from third-party pricing vendors.

The carrying amounts of the Company’s financial instruments, including cash, cash equivalents, prepaid and other current assets, accounts payable, and accrued liabilities, approximate fair value due to their short maturities. The carrying amount of the Company’s notes payable of $9.0 million at December 31, 2022 approximated its fair value as the terms of the notes were consistent with the market terms of transactions with similar profiles (Level 2 inputs). None of the Company’s non-financial assets or liabilities are recorded at fair value on a non-recurring basis.

The Company did not hold any Level 1, 2 or 3 financial liabilities that are recorded at fair value on a recurring basis as of September 30, 2023 or December 31, 2022.