Stockholders' Equity (Tables)

6 Months Ended

Apr. 30, 2017

Equity [Abstract]

Schedule of Convertible Preferred Stock

Convertible preferred stock as of April 30, 2017 consisted of the following (in thousands, except share amounts):

	Shares Authorized		Shares Issued and Outstanding		Net Carrying Value		Aggregate Liquidation Preference		Common Shares Issuable Upon Conversion
Series A		8,830,000		3,801,458	$	929	$	2,585		861,664
Series B		54,250		48,109		4,055		-		801,820
Series C		26,000		20,115		1,569		-		467,791
Series D		170,000		60,000		702		-		100,000
Series E		7,050		7,050		104,693		-		7,050,000
Other authorized, unissued		912,700		-		-		-		-
Total		10,000,000		3,936,732	$	111,948	$	2,585		9,281,275

Convertible preferred stock as of October 31, 2016 consisted of the following (in thousands, except share amounts):

	Shares Authorized		Shares Issued and Outstanding		Net Carrying Value		Aggregate Liquidation Preference		Common Shares Issuable Upon Conversion
Series A		8,830,000		7,138,158	$	1,745	$	4,854		1,189,693
Series B		54,250		54,201		4,569		-		903,362
Series C		26,000		25,763		2,010		-		429,392
Series D		170,000		156,332		1,829		-		260,553
Other authorized, unissued		919,750		-		-		-		-
Total		10,000,000		7,374,454	$	10,153	$	4,854		2,783,000