Valuation and Qualifying Accounts and Reserves (Tables)

9 Months Ended

Jul. 31, 2012

Valuation and Qualifying Accounts and Reserves [Abstract]

Schedule of Allowance for doubtful accounts [Table Text Block]



	Nine Months Ended			Fiscal Year Ended
	July 31, 2012			October 31, 2011
	(in thousands)
Allowance for doubtful accounts:
Beginning balance	$	16		$	8
Adjustments to provision	(8		)	8
Ending balance	$	8		$	16

Schedules of Concentration of Risk, by Risk Factor [Table Text Block]

The following table summarizes trade accounts receivable balances in excess of 10% of the Company's total trade accounts receivable as of July 31, 2012 and October 31, 2011 (in thousands):



	As of July 31, 2012			As of October 31, 2011
Customer A		$	276	¹	$	—
Customer B		204		¹	—
Customer C	¹	—			362
Customer D	¹	—			311
Customer E	¹	—			225

(1) Balance not in excess of 10% of trade accounts receivable

- Definition

Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.

+ References+ Details