Quarterly report pursuant to sections 13 or 15(d)

Concentration Of Credit Risk

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Concentration Of Credit Risk
 9 Months Ended
Jul. 31, 2011
Concentration Of Credit Risk  
Concentration Of Credit Risk
3.

CONCENTRATION OF CREDIT RISK

Financial instruments that potentially subject us to concentrations of credit risk consist principally of accounts receivable from sales in the ordinary course of business. Management reviews our accounts receivable for potential doubtful accounts and maintains an allowance for estimated uncollectible amounts. Generally, no collateral is received from customers for our accounts receivable. Our policy is to write-off uncollectable amounts at the time it is determined that collection will not occur. During the nine months ended July 31, 2011, one customer in the Display Technology Segment represented 77% of total net revenue. During the nine months ended July 31, 2010, one customer in the Display Technology Segment represented 72% of total net revenue and one customer in the Encryption Products and Services Segment represented 14% of total net revenue.