Summarizes option activity under the 1994 and the 2011 Stock Option Plan (Details)	Number of Options	Weighted Average Exercise Price Per Share	Weighted-Average Remaining Life (in years)	Aggregate Intrinsic Value
Outstanding options at May. 31, 2012	10,000	2.40	9.02	0
Granted	0	0.00	0.00	0
Exercised	0	0.00	0.00	0
Forfeited or expired	0	0.00	0.00	0
Outstanding options at May. 31, 2013	10,000	2.40	8.02	0
Granted	0	0.00	0.00	0
Exercised	0	0.00	0.00	0
Forfeited or expired	0	0.00	0.00	0
Exercisable at Aug. 31, 2013	6,389	2.40	7.77	0
Outstanding options at Aug. 31, 2013	10,000	2.40	7.77	0