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Long-lived Assets (Details Textual)
1 Months Ended 2 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended 201 Months Ended 207 Months Ended
Aug. 31, 2011
USD ($)
Apr. 30, 2012
USD ($)
Apr. 30, 2012
CAD
Jan. 31, 2013
USD ($)
Jan. 31, 2012
USD ($)
Jan. 31, 2013
USD ($)
Jan. 31, 2012
USD ($)
Jul. 31, 2012
USD ($)
Jul. 31, 2011
USD ($)
Jul. 31, 2010
USD ($)
Jul. 31, 2012
USD ($)
Jan. 31, 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         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)       $ 40,998 $ 68,249 $ 1,083,866 $ 780,324 $ 2,206,216 $ 349,458 $ 206,575 $ 4,334,257 $ 5,418,123