Debt (Details Textual) (USD $)	3 Months Ended			1 Months Ended		0 Months Ended		3 Months Ended	12 Months Ended
	Nov. 30, 2012	Aug. 31, 2012	Mar. 10, 2011	Oct. 31, 2002 Orange Park Property [Member]	Nov. 30, 2012 Orange Park Property [Member]	Nov. 09, 2007 Sylmar Property [Member]	Nov. 30, 2012 Sylmar Property [Member]	Nov. 30, 2012 Brooksville Property [Member]	Dec. 31, 2008 Brooksville Property [Member]
Line of Credit Facility, Maximum Borrowing Capacity	$ 10,000,000
Line of Credit Facility, Interest Rate Description	bear interest at either the 30, 60, or 90 day London Inter-Bank Offered Rate ("LIBOR") (0.31% and 0.44% for the 90 day LIBOR at November 30, 2012 and August 31, 2012, respectively) plus 1.75% and/or the bank's reference rate (3.25% at November 31, 2012 and August 31, 2012)
Line of Credit Facility, Amount Outstanding	7,600,000	7,450,000
Line of Credit Facility, Remaining Borrowing Capacity	2,400,000	2,550,000
Loans Payable to Bank			1,000,000
Proceeds from Notes Payable						5,875,000
Proceeds from Issuance of First Mortgage Bond									1,200,000
Debt Instrument, Maturity Date, Description	two years							20 years
Debt Instrument, Periodic Payment				10,400		39,658			8,402
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	3.25%	3.25%				6.00%			6.65%
Debt Instrument, Interest Rate Terms				thirty-day LIBOR rate +3.75%.
Debt Instrument, Interest Rate During Period				7.34%
Debt Instrument, Maturity Date	Mar. 01, 2014			Dec. 31, 2016
Long-term Debt	$ 171,000				$ 440,000		$ 5,158,000	$ 1,163,000