Debt (Details Textual) (USD $)	9 Months Ended				1 Months Ended
	May 31, 2014	Aug. 31, 2013	May 31, 2014 Sylmar Property [Member]	Aug. 31, 2013 Sylmar Property [Member]	Oct. 31, 2013 Community Bank [Member]
Line of Credit Facility [Line Items]
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) (0.23% and 0.26% for the 90 day LIBOR at May 31, 2014 and August 31, 2013, respectively) plus 1.75% and/or the banks reference rate (3.25% at May 31, 2014 and August 31, 2013).
Debt Instrument, Maturity Date	Mar. 01, 2016
Line of Credit Facility, Amount Outstanding	5,113,000	6,479,000
Line of Credit Facility, Remaining Borrowing Capacity	4,887,000	3,521,000
Long-term Debt, Total			4,883,000	5,035,000
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate					3.75%
Debt Instrument, Periodic Payment					$ 26,627