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Fair Value Measurement
12 Months Ended
Dec. 31, 2021
Fair Value Measurement  
Fair Value Measurement

3.  Fair Value Measurement

US GAAP establishes a valuation hierarchy for disclosure of the inputs to valuation used to measure fair value. This hierarchy prioritizes the inputs into three broad levels as follows:

Level 1: Quoted prices (unadjusted) in active markets for identical assets or liabilities.
Level 2: Inputs other than quoted prices included within Level 1 that are observable for the asset or liability, either directly (as prices) or indirectly (as exchange rates).
Level 3: Valuation techniques that include inputs for the asset or liability that are not based on observable market data (those are unobservable inputs) and significant to the overall fair value measurement.

The following table presents the financial instruments measured at fair value and classified by level according to the fair value measurement hierarchy:

(in thousands)

    

Level 1

    

Level 2

    

Level 3

    

Total

December 31, 2021

Assets:

Cash equivalent:

Money market fund

$

8,050

$

$

 

$

8,050

Short-term investments:

Term deposits

16

 

 

 

16

Total assets

$

8,066

$

$

 

$

8,066

(in thousands)

    

Level 1

    

Level 2

    

Level 3

    

Total

December 31, 2020

Assets:

Cash equivalent:

Money market fund

$

8,050

$

$

 

$

8,050

Short-term investments:

Term deposits

 

16

 

 

 

16

Total assets

$

8,066

$

$

 

$

8,066

There were no transfers between Level 1 and 2 in the years ended December 31, 2021 and 2020. There were no changes in valuation techniques during the years ended December 31, 2021 and 2020.

As of December 31, 2021 and 2020, the Company did not hold any financial instruments as liabilities that were held at fair value. The Company believes that the carrying value of its long-term debt approximates fair value based on current interest rates. Receivables and accounts payable are carried at their historical cost which approximates fair value due to their short-term nature.