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Subsequent Events (Details) - USD ($)
$ in Thousands
Aug. 31, 2020
Nov. 30, 2018
Subsequent Events (Textual)    
Repurchase of common stock   $ 3,000
Subsequent Event [Member]    
Subsequent Events (Textual)    
Repurchase of common stock $ 3,000  
Repurchased additional shares amount $ 3,000