Property and Equipment - at cost (Details) (USD $)	Apr. 30, 2015	Jul. 31, 2014
Property, Plant and Equipment [Line Items]
Property and equipment - net	$ 47,542,393us-gaap_PropertyPlantAndEquipmentNet	$ 47,458,998us-gaap_PropertyPlantAndEquipmentNet
Construction in progress	103,064us-gaap_ConstructionInProgressGross
Building improvements at 9 Bond Street in Brooklyn, NY [Member]
Property, Plant and Equipment [Line Items]
Construction in progress	82,635
Building improvements at Jowein building in Brooklyn, NY [Member]
Property, Plant and Equipment [Line Items]
Construction in progress	20,429
Property [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	83,445,964	82,092,994
Less accumulated depreciation	36,008,751	34,773,376
Property and equipment - net	47,437,213	47,319,618
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	75,797,083	74,547,177
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	103,064
Fixtures and equipment and other [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	383,451	383,451
Less accumulated depreciation	278,271	244,071
Property and equipment - net	105,180	139,380
Fixtures and equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	144,545	144,545
Other fixed assets [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 238,906	$ 238,906

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section S99

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

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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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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ 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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-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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-Publisher FASB

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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