Schedule of Stock Option Activity (Details) - 2017 Equity Incentive Plan [Member]	3 Months Ended
	Oct. 31, 2021 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Outstanding Shares, Beginning Balance | shares	8,644,125
Weighted- Average Exercise Price Outstanding, Beginning Balance | $ / shares	$ 0.76
Aggregate Intrinsic Value Outstanding, Beginning Balance | $	$ 124,000
Options Granted, Shares | shares	70,000
Weighted- Average Exercise Price Granted | $ / shares	$ 0.40
Aggregate Intrinsic Value Outstanding, Granted | $	$ 1,000
Options Exercised, Shares | shares
Weighted- Average Exercise Price Exercised | $ / shares
Aggregate Intrinsic Value Outstanding, Exercised | $
Options Expired, Shares | shares	(1,500,000)
Weighted- Average Exercise Price Cancelled | $ / shares	$ 1.13
Aggregate Intrinsic Value Outstanding, Expired | $
Options Outstanding Shares, Ending Balance | shares	7,214,125
Weighted- Average Exercise Price Outstanding, Ending Balance | $ / shares	$ 0.67
Aggregate Intrinsic Value Outstanding, Ending Balance | $	$ 76,000