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Accounts Receivable (Tables) | 12 Months Ended
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Oct. 31, 2016
Receivables [Abstract] |
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] | Accounts receivable at October 31, 2016 and 2015 consisted of the following (in thousands):
|  | 2016 |  | 2015
Advanced Technology (including U.S. Government (1)): |  |  |  |
Amount billed |  | $ | 2,463 |  |  | $ | 433 |
Unbilled recoverable costs |  | 3,068 |  |  | 3,077 |
|  | 5,531 |  |  | 3,510 |
Commercial customers: |  |  |  |
Amount billed |  | 5,411 |  |  | 19,331 |
Unbilled recoverable costs |  | 13,651 |  |  | 37,949 |
|  | 19,062 |  |  | 57,280 |
|  | $ | 24,593 |  |  | $ | 60,790 |
(1) Total U.S. Government accounts receivable outstanding at October 31, 2016 and 2015 is $2.2 million and $2.6 million, respectively.

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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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