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Property and Equipment - at cost (Details) - USD ($)	Jan. 31, 2016	Jul. 31, 2015
Property, Plant and Equipment [Line Items]
Property and equipment - net	$ 48,634,085	$ 48,191,392
Construction in progress	1,331,099	639,042
Building improvements at 9 Bond Street in Brooklyn, NY [Member]
Property, Plant and Equipment [Line Items]
Construction in progress	188,387	144,041
Building improvements at 25 Elm Place in Brooklyn, NY [Member]
Property, Plant and Equipment [Line Items]
Construction in progress	1,054,132	$ 495,001
Building improvements at Jamaica, NY [Member]
Property, Plant and Equipment [Line Items]
Construction in progress	88,580
Property [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	85,731,188	$ 84,474,345
Less accumulated depreciation	37,208,925	36,413,975
Property and equipment - net	48,522,263	48,060,370
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	76,854,272	76,289,486
Improvements to leased property [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	1,478,012	1,478,012
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	6,067,805	6,067,805
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	1,331,099	639,042
Fixtures and equipment and other [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	380,167	380,167
Less accumulated depreciation	268,345	249,145
Property and equipment - net	111,822	131,022
Fixtures and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	144,544	144,544
Other fixed assets [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 235,623	$ 235,623

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
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-Section S99
-Paragraph 1
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- Definition

Amount of structure or a modification to a structure under construction. Includes recently completed structures or modifications to structures that have not been placed into service.

+ References

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Topic 210
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 13
-Subparagraph a
-Article 5

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