Accounts Receivable, Net and Unbilled Receivables

6 Months Ended

Apr. 30, 2019

Receivables [Abstract]

Accounts Receivable, Net and Unbilled Receivables

Note 5.  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.

Accounts receivable are presented net of an allowance for doubtful accounts of $0.2 million as of October 31, 2018. There was no allowance for doubtful accounts as of April 30, 2019.  Uncollectible accounts receivable are charged against the allowance for doubtful accounts when all collection efforts have failed and it is deemed unlikely that the amount will be recovered.