Annual report pursuant to Section 13 and 15(d)

FAIR VALUE MEASUREMENTS (Details)

v3.20.2
FAIR VALUE MEASUREMENTS (Details)
12 Months Ended
Aug. 31, 2020
USD ($)
Asset
Liability
Aug. 31, 2019
USD ($)
Asset
Liability
Fair Value Measurements [Abstract]    
Held-to-maturity securities $ 0 $ 192,800
Transfers from Level 1 to Level 2 0 0
Transfers from Level 2 to Level 1 0 0
Transfers into (out of) Level 3 $ 0 $ 0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]    
Fair Value Measurements [Abstract]    
Number of assets | Asset 0 0
Number of liabilities | Liability 0 0
Significant Other Observable Inputs (Level 2) [Member]    
Fair Value Measurements [Abstract]    
Number of assets | Asset 0 1
Significant Unobservable Inputs (Level 3) [Member]    
Fair Value Measurements [Abstract]    
Number of liabilities | Liability 1 1
Recurring [Member]    
Fair Value Measurements [Abstract]    
Accumulated unrealized gains and (losses)   $ 3,900
Assets measured at fair value $ 0  
Liabilities measured at fair value $ 0  
Recurring [Member] | US Treasuries [Member]    
Fair Value Measurements [Abstract]    
Accumulated unrealized gains and (losses)   3,900
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]    
Fair Value Measurements [Abstract]    
Available-for-sale securities   0
Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | US Treasuries [Member]    
Fair Value Measurements [Abstract]    
Available-for-sale securities   0
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]    
Fair Value Measurements [Abstract]    
Available-for-sale securities   4,996,000
Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | US Treasuries [Member]    
Fair Value Measurements [Abstract]    
Available-for-sale securities   4,996,000
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]    
Fair Value Measurements [Abstract]    
Available-for-sale securities   0
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | US Treasuries [Member]    
Fair Value Measurements [Abstract]    
Available-for-sale securities   0
Recurring [Member] | Fair Value [Member]    
Fair Value Measurements [Abstract]    
Available-for-sale securities   4,996,000
Recurring [Member] | Fair Value [Member] | US Treasuries [Member]    
Fair Value Measurements [Abstract]    
Available-for-sale securities   4,996,000
Recurring [Member] | Cost / Other Value [Member]    
Fair Value Measurements [Abstract]    
Available-for-sale securities   4,992,100
Recurring [Member] | Cost / Other Value [Member] | US Treasuries [Member]    
Fair Value Measurements [Abstract]    
Available-for-sale securities   $ 4,992,100