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Other Current Assets
 12 Months Ended
Oct. 31, 2012
Other Current Assets [Abstract]  
Other Current Assets
Note 7. Other Current Assets
Other current assets at October 31, 2012 and 2011 consisted of the following:
 
 
2012
 
2011
Advance payments to vendors (1)
 
$
2,261

 
$
4,378

Interest receivable (2)
 
—

 
48

Notes receivable (3)
 
475

 
804

Prepaid expenses and other (4)
 
1,991

 
2,236

Total
 
$
4,727

 
$
7,466

(1)
Advance payments to vendors relate to inventory purchases.
(2)
Interest receivable relates to amounts due on investments in U.S. Treasury securities.
(3)
Current portion of long-term notes receivable.
(4)
Primarily relates to other accounts receivable related to POSCO royalties and other prepaid vendor expenses including insurance, rent and lease payments.