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Long-lived Assets (Details Textual)
1 Months Ended 2 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended 201 Months Ended 210 Months Ended
Mar. 31, 2013
USD ($)
Sep. 30, 2012
USD ($)
Aug. 31, 2011
USD ($)
Apr. 30, 2012
USD ($)
Apr. 30, 2012
CAD
Apr. 30, 2013
USD ($)
Oct. 31, 2012
CAD
Apr. 30, 2012
USD ($)
Apr. 30, 2013
USD ($)
Apr. 30, 2012
USD ($)
Jul. 31, 2012
USD ($)
Jul. 31, 2011
USD ($)
Jul. 31, 2010
USD ($)
Jul. 31, 2012
USD ($)
Apr. 30, 2013
USD ($)
Depreciation                     $ 97,967 $ 172,250 $ 238,253    
Real Estate Accumulated Depreciation, Depreciation Expense                     74,070 141,686 134,251    
Real Estate Revenue, Net                     384,299 582,974 407,809    
Operating Leases, Rent Expense                     135,172 233,516 201,234    
Proceeds from Sale of Real Estate     1,730,000 2,865,682 568,863                 342,862  
Real Estate Held-for-sale       1,783,932 2,180,051     1,783,932   1,783,932 107,203     107,203  
Assets Held for Investment, Net     1,029,435               858,377 3,634,929   858,377  
Sales of Real Estate     639,680 1,081,750             235,659     235,659  
Mortgage Loan Related to Property Sales     659,288                        
Gain (Loss) on Sale of Property                     1,957,089        
Income from assets held for investment, net (Note 3)           126,701   1,148,526 1,210,567 1,928,850 2,206,216 349,458 206,575 4,334,257 5,544,824
Proceeds from sale of property and equipment   1,579,189 1,669,115 2,865,682     1,640,000   1,762,954 4,614,057 4,953,325 0 0 4,953,325 6,716,279
Proceeds From Sale Of Property Remaining Amount $ 27,025 $ 1,028,780 $ 1,009,827 $ 2,190,952             $ 249,127