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Fair Value Disclosure
3 Months Ended
Dec. 31, 2011
Fair Value Disclosure [Abstract]  
Fair Value Disclosure
5. Fair Value Disclosure
 
Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in the principal market (or most advantageous market, in the absence of a principal market) for the asset or liability in an orderly transaction between market participants at the measurement date. Further, entities are required to maximize the use of observable inputs and minimize the use of unobservable inputs in measuring fair value, and to utilize a three-level fair value hierarchy that prioritizes the inputs used to measure fair value. The three levels of inputs used to measure fair value are as follows:
 
 
Level 1 - Quoted prices in active markets for identical assets or liabilities.
 
 
Level 2 - Observable inputs other than quoted prices included within Level 1, including quoted prices for similar assets or liabilities in active markets; quoted prices for identical or similar assets or liabilities in markets that are not active; and inputs other than quoted prices that are observable or are derived principally from, or corroborated by, observable market data by correlation or other means.
 
 
Level 3 - Unobservable inputs that are supported by little or no market activity, are significant to the fair value of the assets or liabilities, and reflect our own assumptions about the assumptions market participants would use in pricing the asset or liability developed based on the best information available in the circumstances.
 
The tables below set forth the Company's cash equivalents and short-term investments measured at fair value on a recurring basis (in thousands):
 
   
December 31, 2011
 
   
Fair Value
  
Level 1
  
Level 2
  
Level 3
 
Assets:
            
Cash and cash equivalents:
            
Money market funds
 $67,209  $67,209  $-  $- 
Short-term investments:
                
Corporate notes and commercial paper
  7,363   -   7,363   - 
U.S. Government agency securities
  13,996   -   13,996   - 
Total financial instruments measured and recorded at fair value
 $88,568  $67,209  $21,359  $- 

The above table excludes $27.3 million of cash balances on deposit at banks
 
   
June 30, 2011
 
   
Fair Value
  
Level 1
  
Level 2
  
Level 3
 
Assets:
            
Cash and cash equivalents:
            
Money market funds
 $72,445  $72,445  $-  $- 
Short-term investments:
                
Corporate notes and commercial paper
  6,129   -   6,129   - 
U.S. Government agency securities
  9,928   -   9,928   - 
Total financial instruments measured and recorded at fair value
 $88,502  $72,445  $16,057  $- 

The above table excludes $17.3 million of cash balances on deposit at banks.
 
Money market funds are classified within Level 1 of the fair value hierarchy because they are valued using quoted market prices in active markets. Short-term investments are classified within Level 2 of the fair value hierarchy because they are valued based on other observable inputs, including broker or dealer quotations, or alternative pricing sources. When quoted prices in active markets for identical assets or liabilities are not available, the Company relies on non-binding quotes from independent pricing services. Non-binding quotes are based on proprietary valuation models prepared by independent pricing services. These models use algorithms based on inputs such as observable market data, quoted market prices for similar instruments, historical pricing trends of a security as relative to its peers, internal assumptions of the independent pricing service and statistically supported models. The Company corroborates the reasonableness of non-binding quotes received from the independent pricing service by comparing them to the a) actual experience gained from the purchases and redemption of investment securities, b) quotes received on similar securities obtained when purchasing securities and c) monitoring changes in ratings of similar securities and the related impact on the fair value. The types of instruments valued based on other observable inputs include corporate notes and commercial paper and U.S. Government agency securities. The Company reviewed financial and non-financial assets and liabilities and concluded that there were no material impairment charges during the six months ended December 31, 2011 and 2010, respectively.