Significant Accounting Policies (Details Narrative)	3 Months Ended		6 Months Ended
Significant Accounting Policies (Details Narrative)	Jan. 31, 2025 USD ($)	Jan. 31, 2024	Jan. 31, 2025 USD ($) Segment shares	Jan. 31, 2024 shares	Jul. 31, 2024 USD ($)
Product Information [Line Items]
Antidilutive securities \| shares			42,075,936	21,481,458
Reserve for inventory obsolescence \| $	$ 230,000		$ 230,000		$ 238,000
Number of operating segments \| Segment			1
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| One Customer [Member]
Product Information [Line Items]
Concentration risk percentage	12.00%	12.00%		30.00%
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Customer One [Member]
Product Information [Line Items]
Concentration risk percentage			18.00%
Customer Concentration Risk [Member] \| Revenue Benchmark [Member] \| Customer Two [Member]
Product Information [Line Items]
Concentration risk percentage			11.00%
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| One Customer [Member]
Product Information [Line Items]
Concentration risk percentage			12.00%
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Customer One [Member]
Product Information [Line Items]
Concentration risk percentage				19.00%
Customer Concentration Risk [Member] \| Accounts Receivable [Member] \| Customer Two [Member]
Product Information [Line Items]
Concentration risk percentage				17.00%
Supplier Concentration Risk [Member] \| Purchases [Member] \| One Vendor [Member]
Product Information [Line Items]
Concentration risk percentage	22.00%	12.00%	28.00%
Supplier Concentration Risk [Member] \| Purchases [Member] \| Vendor One [Member]
Product Information [Line Items]
Concentration risk percentage				16.00%
Supplier Concentration Risk [Member] \| Purchases [Member] \| Vendor Two [Member]
Product Information [Line Items]
Concentration risk percentage				12.00%
Supplier Concentration Risk [Member] \| Accounts Payable [Member] \| Largest Vendor [Member]
Product Information [Line Items]
Concentration risk percentage			10.00%	10.00%

PURE BIOSCIENCE, INC. 10-Q