Mortgages Payable - Additional Informaion (Detail) (USD $)	1 Months Ended		1 Months Ended		1 Months Ended
	Jan. 31, 2010	Oct. 31, 2011	Jan. 31, 2010 Teachers Federal Credit Union Variable Interest Entity Member [Member]	Oct. 31, 2011 Teachers Federal Credit Union Variable Interest Entity Member [Member]	Sep. 30, 2010 Small Business Administration Variable Interest Entity [Member]	Oct. 31, 2011 Small Business Administration Variable Interest Entity [Member]
Variable Interest Entity [Line Items]
Land and Buildings Acquired	$ 1,525,000
Mortgage payable		1,394,230	800,000	777,155	643,000	617,075
Mortgage payable, interest rate			6.63%		4.61%
Minimum monthly payments due of principal and interest			$ 5,490		$ 4,236