Condensed Consolidated Balance Sheets - USD ($)	Oct. 31, 2025	Jul. 31, 2025
Current assets
Cash and cash equivalents	$ 434,000	$ 334,000
Accounts receivable	389,000	474,000
Inventories, net	237,000	141,000
Restricted cash	75,000	75,000
Prepaid expenses	41,000	23,000
Total current assets	1,176,000	1,047,000
Property, plant and equipment, net	10,000	11,000
Total assets	1,186,000	1,058,000
Current liabilities
Accounts payable	879,000	784,000
Accrued liabilities	176,000	154,000
Total current liabilities	3,159,000	938,000
Total liabilities	6,732,000	6,174,000
Commitments and contingencies
Stockholders’ deficiency
Preferred stock, $0.01 par value: 5,000,000 shares authorized, no shares issued and outstanding
Common stock, $0.01 par value: 200,000,000 shares authorized, 111,886,473 shares issued and outstanding at October 31, 2025, and July 31, 2025	1,119,000	1,119,000
Additional paid-in capital	132,793,000	132,759,000
Accumulated deficit	(139,458,000)	(138,994,000)
Total stockholders’ deficiency	(5,546,000)	(5,116,000)
Total liabilities and stockholders’ deficiency	1,186,000	1,058,000
Related Party [Member]
Current liabilities
Convertible notes payable to related parties, current	2,104,000
Convertible notes payable to related parties, non-current	$ 3,573,000	$ 5,236,000