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INVESTMENTS (Details) (USD $)
3 Months Ended
Sep. 30, 2013
Jun. 30, 2013
Sep. 30, 2012
Available-for-sale securities      
Amortized Cost $ 15,266,000 $ 15,477,000  
Unrealized Losses (77,000) (94,000)  
Fair Value (net) 15,189,000 15,383,000  
Held-to-maturity securities, fair value 0 0  
Amount of debt securities on hand maturing within one year or less 15,200,000    
Other-than-temporary impairment losses recorded 0    
Debt or equity securities     0
US corporate debt securities
     
Available-for-sale securities      
Amortized Cost 15,266,000 15,477,000  
Unrealized Losses (77,000) (94,000)  
Fair Value (net) $ 15,189,000 $ 15,383,000