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Note 16 - Fair Value Measurement
12 Months Ended
Jul. 31, 2020
Notes to Financial Statements  
Fair Value Disclosures [Text Block]
NOTE
16:
FAIR VALUE MEASUREMENT
 
Fair value accounting establishes a fair value hierarchy that prioritizes the inputs to valuation techniques used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level
1
measurements) and the lowest priority to unobservable inputs (Level
3
measurements). The
three
levels of the fair value hierarchy are described below:
 
 
Level
1
Unadjusted quoted prices in active markets that are accessible at the measurement date for identical unrestricted assets or liabilities;
 
 
Level
2
Quoted prices in markets that are
not
active, quoted prices for similar assets or liabilities in active markets, quoted prices or inputs that are observable, either directly or indirectly, for substantially the full term of the asset or liability and model-based valuation techniques for which all significant inputs are observable in the market or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and
 
 
Level
3
Prices or valuation techniques that require inputs that are both significant to the fair value measurement and unobservable (supported by little or
no
market activity).
 
The financial instruments, including cash and cash equivalents, term deposits, accounts payable and accrued liabilities and due to related party amounts, are carried at cost, which approximate their fair values due to the immediate or short-term maturity. Restricted cash are primarily investments in money market funds at major financial institutions and their fair values approximate their carrying values. Government loan payable is carried at amortized cost which approximates its fair value. Long-term debt is carried at amortized costs which approximates its fair value.