Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Jul. 31, 2017	Jul. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (121,221)	$ (4,234)
Loss from discontinued operations	349	851
Loss from continuing operations	(120,872)	(3,383)
Adjustments to reconcile net loss from continuing operations to net cash used in continuing operating activities:
Depreciation and amortization	295
Stock based compensation expense	10,696	1,845
Research and development - intellectual property acquired	104,693
Change in fair value of warrant liability	8	(133)
Offering costs expensed		21
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(364)	(20)
Accounts payable and accrued expenses	857	(46)
Net cash used in continuing operating activities	(4,687)	(1,716)
Net cash provided by discontinued operating activities	33	163
Net cash used in operating activities	(4,654)	(1,553)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property and equipment	(2,253)
Net cash used in continuing investing activities	(2,253)
Net cash provided by discontinued investing activities	10
Net cash used in investing activities	(2,243)
CASH FLOWS FROM FINANCING ACTIVITIES
Special cash dividend		(10,000)
Proceeds from stock options exercised	1,123	129
Net proceeds from the sale of common stock and warrants		1,406
Proceeds from the sale of common stock	2,278
Payments to Zift		(299)
Net cash provided by (used in) financing activities	3,401	(8,764)
Net decrease in cash and cash equivalents	(3,496)	(10,317)
Cash and cash equivalents - beginning of period	6,523	17,053
Cash and cash equivalents - end of period	3,027	6,736
Supplemental schedule of non-cash investing and financing activities:
Conversion of Series A preferred stock to common stock	976	401
Conversion of Series B preferred stock to common stock	549
Conversion of Series C preferred stock to common stock	609
Conversion of Series D preferred stock to common stock	1,517	140
Unpaid liability for acquisition of property and equipment	108
Warrant exchange for common stock shares	78
Common stock shares and warrants issued for offering costs		$ 75