Accounts Receivable (Tables)

12 Months Ended

Oct. 31, 2014

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Accounts receivable at October 31, 2014 and 2013 consisted of the following:

	2014		2013
Advanced Technology (including U.S. Government (1)):
Amount billed	$	2,517	$	786
Unbilled recoverable costs	2,886		639
	5,403		1,425
Commercial customers:
Amount billed	8,871		17,344
Unbilled recoverable costs	50,101		30,347
	58,972		47,691
	$	64,375	$	49,116

. (1) Total U.S. Government accounts receivable outstanding at October 31, 2014 is $1.7 million