5. SHAREHOLDERS' EQUITY (Details) (USD $)	9 Months Ended		12 Months Ended
	May 31, 2013	May 31, 2012	Aug. 31, 2012
Total Amount	$ 3,520,285	$ 1,586,843	$ 2,382,994
Record Date 02/21/2012
Record Date			Feb. 21, 2012
Distribution Date			Mar. 01, 2012
Number of Shares Outstanding on Record Date			15,813,844
Dividend per Share			$ 0.05
Total Amount			790,692
Record Date 04/27/2012
Record Date			Apr. 27, 2012
Distribution Date			May 08, 2012
Number of Shares Outstanding on Record Date			15,923,019
Dividend per Share			$ 0.05
Total Amount			796,151
Record Date 08/07/2012
Record Date			Aug. 07, 2012
Distribution Date			Aug. 10, 2012
Number of Shares Outstanding on Record Date			15,923,019
Dividend per Share			$ 0.05
Total Amount			796,151
Record Date 11/08/2012
Record Date	Nov. 08, 2012
Distribution Date	Nov. 13, 2012
Number of Shares Outstanding on Record Date	15,927,806
Dividend per Share	$ 0.05
Total Amount	796,390
Record Date 12/24/2012
Record Date	Dec. 24, 2012
Distribution Date	Dec. 28, 2012
Number of Shares Outstanding on Record Date	16,021,309
Dividend per Share	$ 0.14
Total Amount	2,242,983
Record Date 05/07/2013
Record Date	May 07, 2013
Distribution Date	May 10, 2013
Number of Shares Outstanding on Record Date	16,030,433
Dividend per Share	$ 0.03
Total Amount	$ 480,913