Annual report pursuant to Section 13 and 15(d)

FAIR VALUE MEASUREMENTS (Details)

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FAIR VALUE MEASUREMENTS (Details) - USD ($)
Aug. 31, 2017
Aug. 31, 2016
Long-term investments $ 187,975 $ 6,853,276
Fair Value    
Certificates of deposit 12,673,700 6,050,500
U.S. treasuries 7,381,700 17,125,900
Subtotal 20,055,400 23,176,400
Long-term investments 188,000 6,853,300
Total 20,243,400 30,029,700
Cost/Other Value    
Certificates of deposit 12,694,500 6,054,700
U.S. treasuries 7,372,000 17,115,200
Subtotal 20,066,500 23,169,900
Long-term investments 188,000 6,856,700
Total 20,254,500 30,026,600
Accumulated Unrealized Gains and (Losses)    
Certificates of deposit (20,800) (4,200)
U.S. treasuries 9,700 10,700
Subtotal (11,100) 6,500
Long-term investments 0 (3,400)
Total (11,100) 3,100
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Certificates of deposit 0 0
U.S. treasuries 0 0
Subtotal 0 0
Long-term investments 0 0
Total 0 0
Significant Other Observable Inputs (Level 2)    
Certificates of deposit 12,673,700 6,050,500
U.S. treasuries 7,381,700 17,125,900
Subtotal 20,055,400 23,176,400
Long-term investments 188,000 6,853,300
Total 20,243,400 30,029,700
Significant Unobservable Inputs (Level 3)    
Certificates of deposit 0 0
U.S. treasuries 0 0
Subtotal 0 0
Long-term investments 0 0
Total $ 0 $ 0