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4. FAIR VALUE OF FINANCIAL INSTRUMENTS
12 Months Ended
May 31, 2021
Fair Value Disclosures [Abstract]  
4. FAIR VALUE OF FINANCIAL INSTRUMENTS

 4. FAIR VALUE OF FINANCIAL INSTRUMENTS

 

    The Company’s financial instruments are measured at fair value consistent with authoritative guidance. This authoritative guidance defines fair value, establishes a framework for using fair value to measure assets and liabilities, and disclosures required related to fair value measurements.

 

    The guidance establishes a fair value hierarchy based on inputs to valuation techniques that are used to measure fair value that are either observable or unobservable. Observable inputs reflect assumptions market participants would use in pricing an asset or liability based on market data obtained from independent sources while unobservable inputs reflect a reporting entity’s pricing based upon their own market assumptions. The fair value hierarchy consists of the following three levels:

 

Level 1 - instrument valuations are obtained from real-time quotes for transactions in active exchange markets involving identical assets.

 

Level 2 - instrument valuations are obtained from readily-available pricing sources for comparable instruments.

 

Level 3 - instrument valuations are obtained without observable market values and require a high level of judgment to determine the fair value.

 

    The following table summarizes the Company’s financial assets measured at fair value on a recurring basis as of May 31, 2021 (in thousands):

 

    Balance as of                    
    May 31, 2021     Level 1     Level 2     Level 3  
Money market funds   $ 580     $ 580     $ --     $ --  
Assets   $ 580     $ 580     $ --     $ --  

 

    The following table summarizes the Company’s financial assets measured at fair value on a recurring basis as of May 31, 2020 (in thousands):

 

    Balance as of                    
    May 31, 2020     Level 1     Level 2     Level 3  
Money market funds   $ 80     $ 80     $ --     $ --  
Assets   $ 80     $ 80     $ --     $ --  

 

    Included in money market funds as of May 31, 2021 and 2020 is $80,000 of restricted cash representing a security deposit for the Company’s United States manufacturing and office space lease.

 

    There were no financial liabilities measured at fair value as of May 31, 2021 and 2020.

 

    There were no transfers between Level 1 and Level 2 fair value measurements during the fiscal years ended May 31, 2021 and 2020.

 

    The carrying amounts of financial instruments including cash, cash equivalents, receivables, accounts payable and certain other accrued liabilities, approximate fair value due to their short maturities. Based on the borrowing rates currently available to the Company for loans with similar terms, the carrying value of the debt approximates the fair value.