Quarterly report pursuant to Section 13 or 15(d)

2. FAIR VALUE MEASUREMENTS (Details)

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2. FAIR VALUE MEASUREMENTS (Details) - USD ($)
Feb. 28, 2018
Aug. 31, 2017
Certificates of deposit $ 1,246,500 $ 12,673,700
U.S. Treasuries 15,885,900 7,381,700
Subtotal 17,132,400 20,055,400
Long-term investments 1,427,663 187,975
Total 18,560,100 20,243,400
Cost/Other Value    
Certificates of deposit 1,250,000 12,694,500
U.S. Treasuries 15,862,300 7,372,000
Subtotal 17,112,300 20,066,500
Long-term investments 1,428,200 187,975
Total 18,540,500 20,254,500
Level 1    
Certificates of deposit 0 0
U.S. Treasuries 0 0
Subtotal 0 0
Long-term investments 0 0
Total 0 0
Level 2    
Certificates of deposit 1,246,500 12,673,700
U.S. Treasuries 15,885,900 7,381,700
Subtotal 17,132,400 20,055,400
Long-term investments 1,427,700 187,975
Total 18,560,100 20,243,400
Level 3    
Certificates of deposit 0 0
U.S. Treasuries 0 0
Subtotal 0 0
Long-term investments 0 0
Total 0 0
Accumulated Unrealized Gains and (Losses)    
Certificates of deposit (3,500) (20,800)
U.S. Treasuries 23,600 9,700
Subtotal 20,100 (11,100)
Long-term investments (500) 0
Total $ 19,600 $ (11,100)