Condensed Consolidated Balance Sheets (USD $)	Oct. 31, 2014	Jul. 31, 2014
Current assets
Cash and cash equivalents	$ 5,331,000	$ 86,000
Accounts receivable, net	47,000	47,000
Inventories, net	231,000	249,000
Prepaid expenses	154,000	96,000
Total current assets	5,763,000	478,000
Property, plant and equipment, net	28,000	36,000
Patents, net	1,305,000	1,345,000
Total assets	7,096,000	1,859,000
Current liabilities
Accounts payable	510,000	1,096,000
Restructuring liability	201,000	323,000
Accrued liabilities	154,000	401,000
Derivative liability	10,000	9,000
Total current liabilities	875,000	1,829,000
Deferred rent	12,000	13,000
Total liabilities	887,000	1,842,000
Commitments and contingencies (See Note 6)
Stockholders' equity
Preferred stock, $0.01 par value: 5,000,000 shares authorized, no shares issued
Common stock, $0.01 par value: 100,000,000 shares authorized, 39,788,465 shares issued and outstanding at October 31, 2014, and 29,394,940 shares issued and outstanding at July 31, 2014	398,000	295,000
Additional paid-in capital	88,966,000	80,943,000
Accumulated deficit	(83,155,000)	(81,221,000)
Total stockholders' equity	6,209,000	17,000
Total liabilities and stockholders' equity	$ 7,096,000	$ 1,859,000