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Stockholders' Equity (Tables)

6 Months Ended

Apr. 30, 2018

Changes in stockholders’ equity were as follows for the six months ended April 30, 2018:

	Total Stockholders’ Equity
Balance as of October 31, 2017	$	101,256
Share-based compensation		1,378
Proceeds from common stock issuance and warrant exercises, net of fees		3,268
Common stock issued, non-employee compensation		282
Taxes paid upon vesting of restricted stock awards, net of stock issued under benefit plans		(621	)
Preferred dividends – Series B		(1,600	)
Conversion of Redeemable Series C preferred stock		15,598
Other comprehensive income - foreign currency translation adjustments		87
Net loss		(17,357	)
Balance as of April 30, 2018	$	102,291

Schedule of Stockholders' Equity Note, Warrants or Rights

The following table summarizes outstanding warrant activity during the six months ended April 30, 2018:

	Series A Warrants		Series C Warrants			Series D Warrants
Balance as of October 31, 2017		7,680,000		11,580,900			2,584,174
Warrants exercised		—		(11,536	)		(2,584,174	)
Warrants expired		—		—			—
Balance as of April 30, 2018		7,680,000		11,569,364			—

- Definition

Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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