Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Oct. 31, 2017	Jul. 31, 2017
Current assets
Cash and cash equivalents	$ 5,903	$ 6,873
Accounts receivable	0	3,750
Deferred financing costs	146	0
Prepaid expenses and other current assets	729	164
Total current assets	6,778	10,787
Other assets
Computer equipment, net of accumulated depreciation	2	3
Patents and patent applications, net of accumulated amortization	17	18
Total assets	6,797	10,808
Current liabilities
Accounts payable	1,265	580
Accrued liabilities	2,094	1,432
Accrued salaries and wages	653	1,701
Deferred revenue	337	254
Total current liabilities	4,349	3,967
Long-term liabilities
Other long-term liabilities	200	200
Deferred revenue	2,202	2,307
Total long-term liabilities	2,402	2,507
Total liabilities	6,751	6,474
Stockholders' equity
Common stock; par value $0.001; 200,000,000 shares authorized; 2,037,888 shares issued and outstanding at October 31, 2017 and 2,026,608 shares issued and outstanding at July 31, 2017	2	2
Additional paid-in capital	60,282	58,937
Accumulated deficit	(60,238)	(54,605)
Total stockholders' equity	46	4,334
Total liabilities and stockholders' equity	$ 6,797	$ 10,808