XML 43 R15.htm IDEA: XBRL DOCUMENT v2.4.0.8
Unbilled Receivables and Rental Income
9 Months Ended
Apr. 30, 2014
Unbilled Receivables and Rental Income [Abstract]  
Unbilled Receivables And Rental Income
8. Unbilled Receivables and Rental Income:
 
  Unbilled receivables represent the excess of scheduled rental income recognized on a straight-line basis over rental income as it becomes receivable according to the provisions of each lease.