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Accounts Receivable, Net and Unbilled Receivables (Tables)
 6 Months Ended
Apr. 30, 2019
Receivables [Abstract]  
Schedule of Accounts Receivable, Net and Unbilled Receivables

Accounts receivable, net and Unbilled receivables as of April 30, 2019 and October 31, 2018 consisted of the following:

 

 

 

April 30,

 

 

October 31,

 

 

 

2019

 

 

2018

 

Commercial Customers:

 

 

 

 

 

 

 

 

Amount billed

 

$

10,626

 

 

$

7,415

 

Unbilled receivables (1)

 

 

10,114

 

 

 

10,632

 

 

 

 

20,740

 

 

 

18,047

 

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

 

 

 

 

 

 

 

 

Amount billed

 

 

1,216

 

 

 

1,865

 

Unbilled receivables

 

 

964

 

 

 

3,127

 

 

 

 

2,180

 

 

 

4,992

 

Accounts receivable, net and unbilled receivables

 

$

22,920

 

 

$

23,039

 

 

(1)

Additional long-term unbilled receivables of $14.4 million and $9.4 million are included within “Other Assets” as of April 30, 2019 and October 31, 2018, respectively. 

(2)

Total U.S. government accounts receivable, including unbilled receivables, outstanding as of April 30, 2019 and October 31, 2018 were $0.8 million and $2.3 million, respectively.