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SEGMENT REPORTING (Details) $ in Thousands |  | 3 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Oct. 31, 2017 segment | Jul. 31, 2018 USD ($) | Jul. 31, 2017 USD ($) | Apr. 30, 2016 segment | Apr. 30, 2018 USD ($) | Apr. 30, 2017 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |
Number of reportable segments | segment | 2 |  |  | 5 |  |
Segment revenues and net operating income [Abstract] |  |  |  |  |  |
Real estate revenue |  | $ 45,946 | $ 40,978 |  |  |
Net operating income (loss) |  | 26,417 | 23,451 |  |  |
Real Estate Insurance |  | (225) | (485) |  |  |
Depreciation/amortization |  | (18,612) | (25,338) |  |  |
Impairment of real estate investments |  |  | (256) |  |  |
General and administrative expenses |  | (3,870) | (4,002) |  |  |
Interest expense |  | (8,385) | (8,131) |  |  |
Loss on extinguishment of debt |  | (552) | (199) |  |  |
Interest and other income |  | 516 | 228 |  |  |
Loss before gain on sale of real estate and other investments and income from discontinued operations |  | (6,078) | (16,088) |  |  |
Gain on sale of real estate and other investments |  | 9,224 | 124 |  |  |
Income (loss) from continuing operations |  | 3,146 | (15,964) |  |  |
Income (loss) from discontinued operations |  | 570 | 2,685 |  |  |
NET INCOME (LOSS) |  | 3,716 | (13,279) |  |  |
Segment Assets [Abstract] |  |  |  |  |  |
Property owned |  | 1,636,233 |  |  | $ 1,669,764 |
Less accumulated depreciation |  | (326,772) |  |  | (311,324) |
Total property owned |  | 1,309,461 |  |  | 1,358,440 |
Cash and cash equivalents |  | 16,261 |  |  | 11,891 | $ 0
Restricted cash |  | 4,103 | 3,713 |  | 4,225 |
Other assets |  | 27,885 |  |  | 30,297 |
Unimproved land |  | 7,926 |  |  | 11,476 |
Mortgage loans receivable |  | 10,530 |  |  | 10,329 |
TOTAL ASSETS |  | 1,376,166 |  |  | 1,426,658 |
Multi-Family Residential [Member] | Operating Segments [Member] |  |  |  |  |  |
Segment revenues and net operating income [Abstract] |  |  |  |  |  |
Real estate revenue |  | 43,089 | 35,999 |  |  |
Net operating income (loss) |  | 24,603 | 20,265 |  |  |
Segment Assets [Abstract] |  |  |  |  |  |
Property owned |  | 1,576,345 |  |  | 1,606,421 |
Less accumulated depreciation |  | (309,862) |  |  | (294,477) |
Total property owned |  | 1,266,483 |  |  | 1,311,944 |
All Other [Member] | Operating Segments [Member] |  |  |  |  |  |
Segment revenues and net operating income [Abstract] |  |  |  |  |  |
Real estate revenue |  | 2,857 | 4,979 |  |  |
Net operating income (loss) |  | 1,814 | 3,186 |  |  |
Segment Assets [Abstract] |  |  |  |  |  |
Property owned |  | 59,888 |  |  | 63,343 |
Less accumulated depreciation |  | (16,910) |  |  | (16,847) |
Total property owned |  | 42,978 |  |  | $ 46,496 |
Real Estate [Member] |  |  |  |  |  |
Segment revenues and net operating income [Abstract] |  |  |  |  |  |
Cost of goods and services sold |  | (19,529) | (17,527) |  |  |
Real Estate [Member] | Multi-Family Residential [Member] | Operating Segments [Member] |  |  |  |  |  |
Segment revenues and net operating income [Abstract] |  |  |  |  |  |
Cost of goods and services sold |  | (18,486) | (15,734) |  |  |
Real Estate [Member] | All Other [Member] | Operating Segments [Member] |  |  |  |  |  |
Segment revenues and net operating income [Abstract] |  |  |  |  |  |
Cost of goods and services sold |  | (1,043) | (1,793) |  |  |
Management Service [Member] |  |  |  |  |  |
Segment revenues and net operating income [Abstract] |  |  |  |  |  |
Cost of goods and services sold |  | $ (1,367) | $ (1,356) |  |  |

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- Definition This element represents the income (loss) before the gain (loss) on the sale of real estate and other investments and the income (loss) from discontinued operations. + References No definition available. + Details
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