Operating Leases (Details) - Schedule of Lease-Related Assets and Liabilities - USD ($) $ in Thousands	Jul. 31, 2023	Jul. 31, 2022
Other Assets [Member]
Operating leases:
Other assets	$ 360	$ 204
Other Current Liabilities [Member]
Operating leases:
Total operating lease liabilities	124	142
Other Liabilities [Member]
Operating leases:
Total operating lease liabilities	223	53
Liabilities, Total [Member]
Operating leases:
Total operating lease liabilities	$ 347	$ 195