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Accounts Receivable (Tables)

3 Months Ended

Jan. 31, 2017

Receivables [Abstract]

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

Accounts receivable as of January 31, 2017 and October 31, 2016 consisted of the following:



	January 31, 2017				October 31, 2016
Commercial Customers:
Amount billed	$	6,928			$	5,411
Unbilled recoverable costs ⁽²⁾	11,596				13,651
	18,524				19,062
Advanced Technology (including U.S. Government⁽¹⁾):
Amount billed	2,427				2,463
Unbilled recoverable costs	4,668				3,068
	7,095				5,531
Accounts receivable, net	$	25,619			$	24,593


(1)	Total U.S. Government accounts receivable outstanding as of January 31, 2017 and October 31, 2016 were $2.0 million and $2.2 million, respectively.


(2)	Additional unbilled recoverable costs of $7.0 million and $5.7 million are included within long-term Other Assets as of January 31, 2017 and October 31, 2016, respectively.