Real Estate Properties (Details 1) (USD $)	Aug. 31, 2012
2013	$ 1,205,000
2014	640,000
2015	435,000
2016	288,000
Operating Leases, Future Minimum Payments Due	2,568,000
Real Estate [Member]
2013	722,000
2014	594,000
2015	343,000
2016	353,000
2017	257,000
Thereafter	526,000
Operating Leases, Future Minimum Payments Due	2,795,000
Industrial Property [Member] | Real Estate [Member]
2013	327,000
2014	260,000
2015	0
2016	0
2017	0
Thereafter	0
Operating Leases, Future Minimum Payments Due	587,000
Restaurant Properties [Member] | Real Estate [Member]
2013	395,000
2014	334,000
2015	343,000
2016	353,000
2017	257,000
Thereafter	526,000
Operating Leases, Future Minimum Payments Due	$ 2,208,000