SELECTED FINANCIAL STATEMENT INFORMATION (Details 1) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012	Oct. 31, 2011
Costs incurred on uncompleted contracts	$ 6,179	$ 4,443
Estimated earnings	5,524	4,206
Total cost incurred and estimated earnings on uncompleted percentage-of completed contracts	11,703	8,649
Less: Billings to date	(6,867)	(4,876)
Cost and estimated earnings on uncompleted contracts, net	4,836	3,773
Included in the accompanying Condensed Consolidated Balance Sheets under the following captions:
Accounts receivable, net (costs and estimated earnings in excess of billings)	4,836	3,773
Accrued expenses and other current liabilities (billings in excess of costs and estimated earnings)	0	0
Cost and estimated earnings on uncompleted contracts, net	$ 4,836	$ 3,773