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DEFERRED CHARGES
12 Months Ended
Jul. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
DEFERRED CHARGES

11. DEFERRED CHARGES:

Deferred charges for the fiscal years ended July 31, 2019 and 2018 consist of the following:

July 31, 2019 July 31, 2018
Gross Gross
Carrying Accumulated Carrying Accumulated
      Amount       Amortization       Amount       Amortization
Leasing brokerage commissions $ 3,578,114 $ 1,076,694 $ 3,035,040 $ 1,264,427
Professional fees for leasing 151,704 77,302 193,122 105,018
Total $ 3,729,818 $ 1,153,996 $ 3,228,162 $ 1,369,445

The aggregate amortization expense for the periods ended July 31, 2019 and July 31, 2018 were $295,926, and $296,298, respectively.

The weighted average life of current year additions to deferred charges was twelve years.

The estimated aggregate amortization expense for each of the five succeeding fiscal years is as follows:

Fiscal Year      Amortization
2020    $ 291,538   
2021 $ 297,985
2022 $ 270,944
2023 $ 257,772
2024 $ 235,093