Consolidated Balance Sheets - USD ($) $ in Thousands	Oct. 31, 2017	Oct. 31, 2016
Current assets:
Cash and cash equivalents	$ 17,667	$ 6,523
Prepaid expenses and other current assets	237	47
Receivable from Zift	60
Current assets related to discontinued operations		163
Total current assets	17,964	6,733
Non-current assets:
Property and equipment, net	2,173	18
Receivable from Zift, non-current	15
Total non-current assets	2,188	18
TOTAL ASSETS	20,152	6,751
Current liabilities:
Accounts payable and accrued expenses	1,939	474
Warrant liability and embedded derivative	13,502	70
Current liabilities related to discontinued operations		810
Total current liabilities	15,441	1,354
Total liabilities	15,441	1,354
Commitments and Contingencies
Redeemable convertible preferred stock - Series F - 6,455 shares authorized, issued and outstanding at October 31, 2017; liquidation preference - $17,750.	4,541
STOCKHOLDERS' EQUITY:
Convertible preferred stock - 9,993,545 shares authorized, 3,230,655 and 7,374,454 shares issued and outstanding at October 31, 2017 and 2016, aggregate liquidation preference $2,140 and $4,854, respectively	109,995	10,153
Common stock - $.001 par value; 250,000,000 shares authorized; 6,515,524 and 2,782,963 shares issued and outstanding at October 31, 2017 and 2016, respectively	7	3
Additional paid-in capital	149,173	123,417
Accumulated deficit	(259,005)	(128,176)
Total stockholders' equity	170	5,397
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 20,152	$ 6,751