6. SHAREHOLDERS EQUITY (Details - Dividends) - USD ($)	9 Months Ended		12 Months Ended
	May 31, 2017	May 31, 2016	Aug. 31, 2016
Total dividends paid amount	$ 2,585,043	$ 2,552,175	$ 3,413,274
FY 2016 1st Qtr [Member]
Record Date			Nov. 09, 2015
Distribution Date			Nov. 16, 2015
Number of Shares Outstanding on Record Date			16,996,001
Dividend per Share			$ .05
Total dividends paid amount			$ 849,800
FY 2016 2nd Qtr [Member]
Record Date			Jan. 29, 2016
Distribution Date			Feb. 05, 2016
Number of Shares Outstanding on Record Date			17,018,001
Dividend per Share			$ .05
Total dividends paid amount			$ 850,900
FY 2016 3rd Qtr [Member]
Record Date			May 02, 2016
Distribution Date			May 09, 2016
Number of Shares Outstanding on Record Date			17,029,051
Dividend per Share			$ .05
Total dividends paid amount			$ 851,475
FY 2016 4th Qtr [Member]
Record Date			Aug. 11, 2016
Distribution Date			Aug. 18, 2016
Number of Shares Outstanding on Record Date			17,221,978
Dividend per Share			$ .05
Total dividends paid amount			$ 861,099
FY 2017 1st Qtr [Member]
Record Date	Nov. 10, 2016
Distribution Date	Nov. 17, 2016
Number of Shares Outstanding on Record Date	17,226,478
Dividend per Share	$ .05
Total dividends paid amount	$ 861,324
FY 2017 2nd Qtr [Member]
Record Date	Jan. 30, 2017
Distribution Date	Feb. 06, 2017
Number of Shares Outstanding on Record Date	17,233,758
Dividend per Share	$ .05
Total dividends paid amount	$ 861,688
FY 2017 3rd Qtr [Member]
Record Date	May 08, 2017
Distribution Date	May 15, 2017
Number of Shares Outstanding on Record Date	17,240,626
Dividend per Share	$ .05
Total dividends paid amount	$ 862,031