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Accounts Receivable, Net and Unbilled Receivables (Tables)
 3 Months Ended
Jan. 31, 2019
Receivables [Abstract]  
Schedule of Accounts Receivable, Net and Unbilled Receivables

Accounts receivable, net and Unbilled receivables as of January 31, 2019 and October 31, 2018 consisted of the following:

 

 

 

January 31,

 

 

October 31,

 

 

 

2019

 

 

2018

 

Commercial Customers:

 

 

 

 

 

 

 

 

Amount billed

 

$

7,809

 

 

$

7,415

 

Unbilled receivables (1)

 

 

11,194

 

 

 

10,632

 

 

 

 

19,003

 

 

 

18,047

 

Advanced Technologies (including U.S. government(2)):

 

 

 

 

 

 

 

 

Amount billed

 

 

512

 

 

 

1,865

 

Unbilled receivables

 

 

1,193

 

 

 

3,127

 

 

 

 

1,705

 

 

 

4,992

 

Accounts receivable, net and unbilled receivables

 

$

20,708

 

 

$

23,039

 

 

(1)

Additional long-term unbilled receivables of $17.4 million and $9.4 million are included within “Other Assets” as of January 31, 2019 and October 31, 2018, respectively. 

(2)

Total U.S. government accounts receivable, including unbilled receivables, outstanding as of January 31, 2019 and October 31, 2018 were $0.8 million and $2.3 million, respectively.