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Shareholders' Equity (Deficit)
 3 Months Ended
Jan. 31, 2014
Equity [Abstract]  
Shareholders' Equity (Deficit)
Shareholders’ Equity (Deficit)
Changes in shareholders’ equity (deficit)
Changes in shareholders’ equity (deficit) were as follows for the three months ended January 31, 2014:
 
 
Total
Shareholders’
Equity (Deficit)
 
Noncontrolling
interest
 
Total
Equity (Deficit)
Balance at October 31, 2013
$
(12,412
)
 
$
(780
)
 
$
(13,192
)
Common stock issued for convertible note conversions
12,960

 
—

 
12,960

Common stock issued to settle make-whole obligation
4,240

 
—

 
4,240

Share-based compensation
621

 
—

 
621

Sale of common stock, net of registration fees
33,246

 
—

 
33,246

Taxes paid upon vesting of restricted stock awards, net of stock issued under benefit plans
94

 
—

 
94

Preferred dividends – Series B
(800
)
 
—

 
(800
)
Other comprehensive loss - foreign currency translation adjustments
(20
)
 
—

 
(20
)
Net loss
(10,604
)
 
(211
)
 
(10,815
)
Balance at January 31, 2014
$
27,325

 
$
(991
)
 
$
26,334



Common Stock Issuances
During the first quarter of 2014, certain investors elected to convert a total of $15.0 million principal of $38.0 million in aggregate principal of the 8.0% Senior Unsecured Convertible Notes. Under the terms of the Notes, they are convertible into shares of the Company's common stock at a conversion rate of 645.1613 shares of common stock per $1,000 principal amount of convertible notes, equivalent to a conversion price of approximately $1.55 per share of common stock plus a "make-whole" payment in regard to interest.  As a result of these conversions, the Company issued 9,677,425 shares of common stock related to the conversions, 2,344,080 shares to settle the make-whole obligation and 26,674 shares for accrued interest 
On January 23, 2014, the Company completed a public offering of 25.3 million shares of common stock, including 3.3 million shares sold pursuant to the full exercise of an over-allotment option granted to the underwriters. All shares were offered by the Company at a price of $1.25 per share. Total net proceeds to the Company were approximately $29.5 million.
The Company may sell common stock on the open market from time to time. The proceeds of these sales may be used to pay obligations related to the Company's outstanding Series I and Series B preferred shares and the 8.0% Senior Unsecured Convertible Notes or for general corporate purposes. During the first quarter of 2014, the Company sold 2,704,200 shares, respectively of the Company's common stock at prevailing market prices through periodic trades on the open market and raised approximately $3.7 million, net of fees.


Warrant Issuance
On September 4, 2013, the Company entered into a co-marketing agreement with NRG Energy ("NRG") for the marketing and sales of the Company's power plants. The terms of the agreement included the issuance of warrants to NRG that permit NRG to purchase up to 5.0 million shares of the Company's common stock at predetermined prices based on attaining minimum sales goals. There are three tranches of warrants with varying strike prices, varying minimum levels of qualifying orders, and different vesting and expiration dates. The weighted average strike price for all 5.0 million warrants is $2.18. The qualifying order vesting dates range from March 2014 through September 2015 and the expiration dates range from February 2017 through August 2018. Any costs associated with the warrants will be recorded as a reduction of potential future revenue recorded under the arrangement. No warrants were vested and no expense was recorded as of January 31, 2014.