Fair Value (Tables)

12 Months Ended

Oct. 31, 2018

Fair Value Disclosures [Abstract]

Schedule of Fair Value Assumptions of Warrants and Embedded Conversion Feature

The fair value of the bifurcated embedded conversion feature was estimated to be approximately $7.2 million and $9.3 million, respectively, at March 5, 2018 and October 31, 2017 as calculated using the Monte Carlo simulation with the following assumptions:

	Series F Conversion Feature
	March 5, 2018			October 31, 2017
Stock price	$	20.05		$	25.87
Exercise price	$	27.50		$	27.50
Risk-free rate		2.2	%		1.6	%
Volatility		88.2	%		96.0	%
Term		1.5			1.9

The fair value of the warrant liability was estimated to be approximately $2.5 million and $4.3 million, respectively, at March 5, 2018 and October 31, 2017 as calculated using the Monte Carlo simulation with the following assumptions:

	Warrant Liability
	March 5, 2018			October 31, 2017
Stock price	$	20.05		$	25.87
Exercise price	$	30.00		$	30.00
Risk-free rate		2.2	%		1.6	%
Volatility		88.2	%		96.0	%
Term		1.5			1.9

Schedule of Fair Value of Financial Instruments Measured on Recurring Basis

The fair value hierarchy of financial instruments, measured at fair value on a recurring basis on the consolidated balance sheets as of October 31, 2018 and 2017 is as follows (in thousands):

	Fair Value Measurement as of October 31, 2018
	Level 1		Level 2		Level 3		Total
Liabilities
Contingent consideration	$	–	$	–	$	235	$	235
Total	$	–	$	–	$	235	$	235

	Fair Value Measurement as of October 31, 2017
	Level 1		Level 2		Level 3		Total
Liabilities
Warrant liability	$	–	$	–	$	4,256	$	4,256
Derivative liability		–		–		9,246		9,246
Total	$	–	$	–	$	13,502	$	13,502

Schedule of Changes in Estimated Fair Value for Level 3 Classified Contingent Consideration

The following table sets forth the changes in the estimated fair value for our Level 3 classified contingent consideration (in thousands) which is included in other current liabilities:

	Contingent Consideration
Fair value – October 31, 2017	$	–
IBEX acquisition – May 3, 2018	$	278
Change in fair value		20
Earned and paid in cash		(30	)
Earned and moved to accounts payable		(33	)
Fair value - October 31, 2018	$	235