Accounts Receivable (Tables)

12 Months Ended

Oct. 31, 2013

Accounts Receivable [Abstract]

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

Accounts receivable at October 31, 2013 and 2012 consisted of the following:

	2013		2012
Advanced technology research:
Amount billed	$	786	$	20
Unbilled recoverable costs	639		890
	1,425		910
Commercial customers:
Amount billed	17,344		18,786
Unbilled recoverable costs	30,347		6,288
	47,691		25,074
	$	49,116	$	25,984