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Fair Value
3 Months Ended
Apr. 30, 2011
Fair Value  
Fair Value

(12) Fair Value

We measure our financial assets at fair value on a recurring basis in accordance with the guidance provided in ASC 820, "Fair Value Measurement and Disclosures" which defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. In addition, ASC 820 establishes a three-tiered hierarchy for inputs used in management's determination of fair value of financial instruments that emphasizes the use of observable inputs over the use of unobservable inputs by requiring that observable inputs be used when available. Observable inputs are inputs that reflect management's belief about the assumptions market participants would use in pricing a financial instrument based on the best information available in the circumstances.

The fair value hierarchy is summarized as follows:

 

   

Level 1—Quoted prices in active markets for identical assets or liabilities;

 

   

Level 2—Inputs other than Level 1 that are observable, either directly or indirectly, such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities; and

 

   

Level 3—Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

The following table represents the fair value hierarchy for our financial assets (cash equivalents and investments) measured at fair value on a recurring basis:

 

April 30, 2011

   Level 1      Level 2      Level 3      Total  

Money Market Funds

   $ 4,961,110       $ —         $ —         $ 4,961,110   

State and Municipal Obligations

     12,921,750         —           —           12,921,750   
                                   

Total

   $ 17,882,860       $ —         $ —         $ 17,882,860   
                                   

 

January 31, 2011

   Level 1      Level 2      Level 3      Total  

Money Market Funds

   $ 4,926,983       $ —         $ —         $ 4,926,983   

State and Municipal Obligations

     12,910,232         —           —           12,910,232   
                                   

Total

   $ 17,837,215       $ —         $ —         $ 17,837,215