Accounts Receivable (Details) (USD $)	Jan. 31, 2013	Oct. 31, 2012
Accounts, Notes, Loans and Financing Receivable [Line Items]
Government Contract Receivable	$ 524,000	$ 20,000
Government Contract Receivable, Unbilled Amounts	1,611,000	890,000
us government accounts receivable total	2,135,000	910,000
Contract Receivable	9,857,000	18,786,000
Unbilled Contracts Receivable	8,109,000	6,288,000
commercial customers accounts receivable	17,966,000	25,074,000
Accounts Receivable, Net, Current	20,101,000	25,984,000
Allowance for Doubtful Accounts Receivable, Current	600,000	600,000
POSCO Energy [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts Receivable, Related Parties, Current	$ 8,100,000	$ 18,100,000