XML 44 R33.htm IDEA: XBRL DOCUMENT v3.7.0.1
Accounts Receivable (Details) - USD ($)
$ in Thousands
Jan. 31, 2017
Oct. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Contract Receivable $ 6,928 $ 5,411
Unbilled Contracts Receivable [1] 11,596 13,651
Commercial Customers accounts receivable 18,524 19,062
Government Contract Receivable 2,427 2,463
Government Contract Receivable, Unbilled Amounts 4,668 3,068
U.S. Government accounts receivable total [2] 7,095 5,531
Accounts Receivable, Net, Current 25,619 24,593
Allowance for Doubtful Accounts Receivable, Current 200  
Long-term Investments and Receivables, Net [3] 7,000 5,700
POSCO Energy [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts Receivable, Related Parties, Current 4,300 5,000
NRG Energy, Inc. [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Accounts Receivable, Related Parties, Current   100
Government [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
U.S. Government accounts receivable total $ 2,000 $ 2,200
[1] 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.
[2] 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.
[3] Represents unbilled recoverable costs that relate to revenue recognized on customer contracts that will be billed in future periods in excess of twelve months from January 31, 2017.