Consolidated Balance Sheets - USD ($) $ in Thousands	Oct. 31, 2018	Oct. 31, 2017
Current assets:
Cash and cash equivalents	$ 70,961	$ 17,667
Accounts receivable	940
Inventory	238
Prepaid expenses and other current assets	1,163	297
Total current assets	73,302	17,964
Non-current assets:
Property and equipment, net	12,927	2,173
Intangible assets, net	957
Goodwill	278
Other assets	378	15
Total non-current assets	14,540	2,188
TOTAL ASSETS	87,842	20,152
Current liabilities:
Accounts payable and accrued expenses	4,363	1,939
Other current liabilities	286
Current portion of long-term note payable	519
Deferred revenue	150
Warrant liability and embedded derivative		13,502
Total current liabilities	5,318	15,441
Long-term note payable, net	736
Other long-term liabilities	126
Total liabilities	6,180	15,441
Commitments and Contingencies
Redeemable convertible preferred stock - 0 and 6,455 shares authorized, issued and outstanding at October 31, 2018 and 2017; liquidation preference - $0 and $17,750.		4,541
STOCKHOLDERS' EQUITY:
Convertible preferred stock - 25,000,000 shares authorized, 0 and 3,230,655 shares issued and outstanding at October 31, 2018 and 2017, aggregate liquidation preference $0 and $2,140, respectively		109,995
Common stock - $.001 par value; 250,000,000 shares authorized; 21,423,999 and 6,515,524 shares issued and outstanding at October 31, 2018 and 2017, respectively	21	7
Additional paid-in capital	406,087	149,173
Accumulated deficit	(324,446)	(259,005)
Total stockholders' equity	81,662	170
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 87,842	$ 20,152