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Stock-Based Compensation (Details) - Schedule of restricted shares non-vested deferred stock units - Restricted Stock [Member] - $ / shares
12 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Stock-Based Compensation (Details) - Schedule of restricted shares non-vested deferred stock units [Line Items]    
Number of Non-vested Shares, Beginning Balance 60,544
Weighted- Average Grant Date Fair Value, Beginning balance $ 1.56
Number of Shares Granted 92,544
Weighted Average Grant Date Fair Value, Granted $ 1.55
Number of Shares Vested (17,044)
Weighted Average Grant Date Fair Value, Vested $ 1.60
Number of Shares Forfeited (6,000) (32,000)
Weighted Average Grant Date Fair Value, Forfeited $ 1.54 $ 1.54
Number of Non-vested Shares, Ending Balance 37,500 60,544
Weighted- Average Grant- Date Fair Value, Ending balance $ 1.54 $ 1.56