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Long-Term Debt (Mortgage) (Narrative) (Details) (Mortgage [Member], USD $)
1 Months Ended 3 Months Ended 9 Months Ended
Dec. 31, 2005
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Mar. 31, 2012
Jun. 30, 2012
Debt Instrument [Line Items]            
Mortgage loan principal amount $ 15,000,000          
Debt maturity date after extension 8/1/2013          
Principal and interest payable in monthly installments 100,000          
Carrying value of mortgage   10,975,000   10,975,000   11,374,000
Collateral building net   16,000,000   16,000,000   16,300,000
Interest expense   $ 100,000 $ 100,000 $ 300,000 $ 300,000  
Canadian Prime [Member]
           
Debt Instrument [Line Items]            
Interest addition to floating rate 0.50%