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Long-Term Debt (Mortgage) (Narrative) (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Dec. 31, 2005
Dec. 31, 2011
USD ($)
Jun. 30, 2011
USD ($)
Dec. 31, 2011
Mortgage [Member]
USD ($)
Dec. 31, 2010
Mortgage [Member]
USD ($)
Dec. 31, 2011
Mortgage [Member]
USD ($)
Dec. 31, 2011
Mortgage [Member]
CAD
Dec. 31, 2010
Mortgage [Member]
USD ($)
Jun. 30, 2011
Mortgage [Member]
USD ($)
Dec. 31, 2005
Mortgage [Member]
CAD
Dec. 31, 2011
Canadian Prime [Member]
Mortgage [Member]
Debt Instrument [Line Items]                      
Mortgage loan principal amount                   15,000,000  
Original mortgage maturity term, years 5 years                    
Debt maturity date           Jan. 01, 2011 Jan. 01, 2011        
Debt maturity date after extension           July 1, 2012 July 1, 2012        
Interest addition to floating rate                     0.50%
Mortgage loan fixed interest rate       5.25%   5.25% 5.25%        
Principal and interest payable in monthly installments             100,000        
Carrying value of mortgage   11,665,000 12,552,000                
Collateral building net       16,500,000   16,500,000     15,400,000    
Interest expense       $ 100,000 $ 200,000 $ 200,000   $ 300,000