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Other Current Assets
 12 Months Ended
Oct. 31, 2013
Other Current Assets [Abstract]  
Other Current Assets
Note 7. Other Current Assets
Other current assets at October 31, 2013 and 2012 consisted of the following:
 
 
2013
 
2012
Advance payments to vendors (1)
 
$
4,235

 
$
2,261

Debt issuance costs (2)
 
494

 
—

Notes receivable (3)
 
478

 
475

Prepaid expenses and other (4)
 
6,072

 
1,991

Total
 
$
11,279

 
$
4,727

(1)
Advance payments to vendors relate to inventory purchases.
(2)
Represents the current portion of debt issuance costs capitalized relating to the convertible debt issuance and will be amortized over the term of the convertible notes which is five years.
(3)
Current portion of long-term notes receivable.
(4)
Primarily relates to other accounts receivable related to POSCO Energy royalties, receivable for common stock sales and other prepaid vendor expenses including insurance, rent and lease payments.