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REAL ESTATE AND ACCUMULATED DEPRECIATION (Details) - USD ($) | 12 Months Ended |  |
--- | --- | --- | ---
Jul. 31, 2021 | Jul. 31, 2020 | Apr. 30, 2020 | Jul. 31, 2019
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | $ 7,649,632 |  |  |
Initial Cost to Company |  |  |  |
Land | 6,067,805 |  |  |
Building & Improvements | 19,732,367 |  |  |
Cost Capitalized Subsequent to Acquisition |  |  |  |
Improvements | 56,696,260 |  |  |
Carried Cost |  |  |  |
Gross Amount at Which Carried At Close of Period |  |  |  |
Land | 6,067,805 |  |  |
Building & Improvements | 76,428,627 |  |  |
Total | 82,496,432 | $ 80,286,244 |  | $ 96,333,110
Accumulated Depreciation | 34,548,196 | 32,805,218 |  | 43,310,270
Operating Lease Right-of-Use-Asset | 34,566,169 | 37,077,038 | $ 37,698,819 | $ 27,104,937
Property and Equipment | 76,792,055 | 74,538,121 |  |
Accumulated depreciation | 34,793,458 | 33,007,989 |  |
Investment in Real Estate |  |  |  |
Balance at Beginning of Year | 80,286,244 | 96,333,110 |  |
Improvements | 2,210,188 | 5,840,914 |  |
Retirements |  | (21,887,780) |  |
Balance at End of Year | 82,496,432 | 80,286,244 |  |
Accumulated Depreciation |  |  |  |
Balance at Beginning of Year | 32,805,218 | 43,310,270 |  |
Additions Charged to Costs and Expenses | 1,742,978 | 1,626,230 |  |
Retirements |  | (12,131,282) |  |
Balance at End of Year | $ 34,548,196 | $ 32,805,218 |  |
Buildings and Improvements [Member] | Minimum [Member] |  |  |  |
Gross Amount at Which Carried At Close of Period |  |  |  |
Life on Which Depreciation in Latest Income Statement is Computed | 18 years |  |  |
Buildings and Improvements [Member] | Maximum [Member] |  |  |  |
Gross Amount at Which Carried At Close of Period |  |  |  |
Life on Which Depreciation in Latest Income Statement is Computed | 40 years |  |  |
Improvements to leased property [Member] | Minimum [Member] |  |  |  |
Gross Amount at Which Carried At Close of Period |  |  |  |
Life on Which Depreciation in Latest Income Statement is Computed | 3 years |  |  |
Improvements to leased property [Member] | Maximum [Member] |  |  |  |
Gross Amount at Which Carried At Close of Period |  |  |  |
Life on Which Depreciation in Latest Income Statement is Computed | 40 years |  |  |
Office Furniture and Equipment and Transportation Equipment [Member] |  |  |  |
Gross Amount at Which Carried At Close of Period |  |  |  |
Property and Equipment | $ 363,428 |  |  |
Accumulated depreciation | 245,262 |  |  |
Bond St. land and building, Brooklyn, NY [Member] |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 3,817,450 |  |  |
Initial Cost to Company |  |  |  |
Land | 3,901,349 |  |  |
Building & Improvements | 7,403,468 |  |  |
Cost Capitalized Subsequent to Acquisition |  |  |  |
Improvements | 24,346,123 |  |  |
Carried Cost |  |  |  |
Gross Amount at Which Carried At Close of Period |  |  |  |
Land | 3,901,349 |  |  |
Building & Improvements | 31,749,591 |  |  |
Total | 35,650,940 |  |  |
Accumulated Depreciation | 14,787,673 |  |  |
Investment in Real Estate |  |  |  |
Balance at End of Year | 35,650,940 |  |  |
Accumulated Depreciation |  |  |  |
Balance at End of Year | 14,787,673 |  |  |
Jamaica, New York [Member] |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances |  |  |  |
Initial Cost to Company |  |  |  |
Land |  |  |  |
Building & Improvements |  |  |  |
Cost Capitalized Subsequent to Acquisition |  |  |  |
Improvements | 474,359 |  |  |
Carried Cost |  |  |  |
Gross Amount at Which Carried At Close of Period |  |  |  |
Land |  |  |  |
Building & Improvements | 474,359 |  |  |
Total | 474,359 |  |  |
Accumulated Depreciation | 82,307 |  |  |
Operating Lease Right-of-Use-Asset | 27,100,000 |  |  |
Operating Lease Right-of-Use-Asset, Adjustment | 10,200,000 |  |  |
Investment in Real Estate |  |  |  |
Balance at End of Year | 474,359 |  |  |
Accumulated Depreciation |  |  |  |
Balance at End of Year | 82,307 |  |  |
Fishkill, New York Property [Member] |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances | 3,832,182 |  |  |
Initial Cost to Company |  |  |  |
Land | 594,723 |  |  |
Building & Improvements | 7,212,116 |  |  |
Cost Capitalized Subsequent to Acquisition |  |  |  |
Improvements | 14,609,761 |  |  |
Carried Cost |  |  |  |
Gross Amount at Which Carried At Close of Period |  |  |  |
Land | 594,723 |  |  |
Building & Improvements | 21,821,877 |  |  |
Total | 22,416,600 |  |  |
Accumulated Depreciation | 9,750,935 |  |  |
Investment in Real Estate |  |  |  |
Balance at End of Year | 22,416,600 |  |  |
Accumulated Depreciation |  |  |  |
Balance at End of Year | 9,750,935 |  |  |
Brooklyn, New York, Jowein Building, Fulton Street and Elm Place Property [Member] |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances |  |  |  |
Initial Cost to Company |  |  |  |
Land | 1,324,957 |  |  |
Building & Improvements | 728,327 |  |  |
Cost Capitalized Subsequent to Acquisition |  |  |  |
Improvements | 17,179,497 |  |  |
Carried Cost |  |  |  |
Gross Amount at Which Carried At Close of Period |  |  |  |
Land | 1,324,957 |  |  |
Building & Improvements | 17,907,824 |  |  |
Total | 19,232,781 |  |  |
Accumulated Depreciation | 6,786,738 |  |  |
Investment in Real Estate |  |  |  |
Balance at End of Year | 19,232,781 |  |  |
Accumulated Depreciation |  |  |  |
Balance at End of Year | 6,786,738 |  |  |
Levittown, New York, Hempstead Turnpike [Member] |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances |  |  |  |
Initial Cost to Company |  |  |  |
Land | 125,927 |  |  |
Building & Improvements |  |  |  |
Cost Capitalized Subsequent to Acquisition |  |  |  |
Improvements |  |  |  |
Carried Cost |  |  |  |
Gross Amount at Which Carried At Close of Period |  |  |  |
Land | 125,927 |  |  |
Building & Improvements |  |  |  |
Total | 125,927 |  |  |
Accumulated Depreciation |  |  |  |
Investment in Real Estate |  |  |  |
Balance at End of Year | 125,927 |  |  |
Accumulated Depreciation |  |  |  |
Balance at End of Year |  |  |  |
Circleville, Ohio, Tarlton Road [Member] |  |  |  |
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items] |  |  |  |
Encumbrances |  |  |  |
Initial Cost to Company |  |  |  |
Land | 120,849 |  |  |
Building & Improvements | 4,388,456 |  |  |
Cost Capitalized Subsequent to Acquisition |  |  |  |
Improvements | 86,520 |  |  |
Carried Cost |  |  |  |
Gross Amount at Which Carried At Close of Period |  |  |  |
Land | 120,849 |  |  |
Building & Improvements | 4,474,976 |  |  |
Total | 4,595,825 |  |  |
Accumulated Depreciation | 3,140,543 |  |  |
Investment in Real Estate |  |  |  |
Balance at End of Year | 4,595,825 |  |  |
Accumulated Depreciation |  |  |  |
Balance at End of Year | $ 3,140,543 |  |  |

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