Supplemental Disclosure for Statement of Cash Flows (Details) - USD ($) $ in Thousands	1 Months Ended	9 Months Ended
	Jan. 31, 2021	Apr. 30, 2022	Apr. 30, 2021
Supplemental Disclosure for Statement of Cash Flows (Details) [Line Items]
Interest paid		$ 167	$ 177
Right of use assets and liabilities		29	67
Tax on capital paid		$ 120	$ 145
Restricted shares issued (in Shares)		117,189
Two Senior Executives [Member]
Supplemental Disclosure for Statement of Cash Flows (Details) [Line Items]
Restricted shares issued (in Shares)	332,700
Accrued bonuses	$ 875