Property and Equipment (Details) - USD ($)	3 Months Ended
	Oct. 31, 2019	Jul. 31, 2019
Property, Plant and Equipment [Line Items]
Property and equipment - net	$ 43,997,228	$ 53,129,303
Construction in progress	3,252,057	2,325,940
Building and improvements net of accumulated depreciation	$ 10,200,000
Lease termination term	Jul. 31, 2029
Building Improvements at 9 Bond Street in Brooklyn, NY [Member]
Property, Plant and Equipment [Line Items]
Construction in progress	$ 223,680	29,132
Building improvements at 25 Elm Place in Brooklyn, NY [Member]
Property, Plant and Equipment [Line Items]
Construction in progress	581,783	426,533
Improvements to leased property [Member]
Property, Plant and Equipment [Line Items]
Construction in progress	131,119	303,975
Building improvements at Fishkill, NY building [Member]
Property, Plant and Equipment [Line Items]
Construction in progress	2,315,475	1,566,300
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	6,067,805	6,067,805
Buildings and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	66,112,845	86,461,353
Improvements to Leased Property [Member]
Property, Plant and Equipment [Line Items]
Property and equipment		1,478,012
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	3,252,057	2,325,940
Property [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	69,364,902	90,265,305
Less accumulated depreciation	31,564,537	43,310,270
Property and equipment - net	37,800,365	46,955,035
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	162,010	164,066
Fixtures and equipment and other [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	306,555	308,611
Less accumulated depreciation	177,497	202,148
Property and equipment - net	$ 129,058	$ 106,463