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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES, GOODWILL AND INTANGIBLES (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2014 | Jul. 31, 2013 | Apr. 30, 2014
IDENTIFIED INTANGIBLE ASSETS AND INTANGIBLE LIABILITIES AND GOODWILL [Abstract] |  |  |
New intangible assets | $ 265,000 | $ 362,000 |
Addition to intangible liabilities | 0 | 0 |
Weighted average lives of intangible assets and intangible liabilities | 0 years 6 months | 0 years 6 months |
Finite-Lived Intangible Assets [Line Items] |  |  |
Finite-Lived Intangible Assets, Gross, Total | 56,975,000 |  | 56,710,000
Finite-Lived Intangible Assets, Accumulated Amortization | (25,497,000) |  | (24,071,000)
Finite-Lived Intangible Assets, Net, Total | 31,478,000 |  | 32,639,000
Indentified intangible liabilities, gross | 173,000 |  | 173,000
Indentified intangible liabilities, accumulated amortization | (131,000) |  | (127,000)
Indentified intangible liabilities, net | 42,000 |  | 46,000
Estimated annual amortization [Abstract] |  |  |
Goodwill | 1,951,000 |  | 1,100,000
Goodwill impairment | 0 |  | 0
Goodwill derecognized | 0 | 7,000 | 0
Goodwill added | 852,000 |  |
Multi Family Residential [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Number of real estate properties sold | 2 | 3 |
Commercial Office [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Number of real estate properties sold | 3 |  |
Commercial Industrial [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Number of real estate properties sold | 12 |  |
Commercial Retail Property [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Number of real estate properties sold | 3 | 1 |
Commercial Healthcare [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Number of real estate properties sold |  | 1 |
Condominium Unit [Member] |  |  |
Real Estate Properties [Line Items] |  |  |
Number of real estate properties sold |  | 4 |
Acquired below-market leases and acquired above-market leases [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization of Intangible Assets | (6,000) | (11,000) |
Estimated annual amortization [Abstract] |  |  |
2015 |  |  | 19,000
2016 |  |  | 11,000
2017 |  |  | (2,000)
2018 |  |  | (3,000)
2019 |  |  | (2,000)
Other identified intangible assets [Member] |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Amortization of Intangible Assets | 1,400,000 | 3,600,000 |
Estimated annual amortization [Abstract] |  |  |
2015 |  |  | 4,567,000
2016 |  |  | 4,099,000
2017 |  |  | 3,667,000
2018 |  |  | 3,543,000
2019 |  |  | $ 3,457,000

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