Accounts Receivable, Net and Unbilled Receivables

6 Months Ended

Apr. 30, 2020

Receivables [Abstract]

Accounts Receivable, Net and Unbilled Receivables

Note 4.  Accounts Receivable, Net and Unbilled Receivables

Accounts receivable, net and Unbilled receivables as of April 30, 2020 and October 31, 2019 consisted of the following:

	April 30,		October 31,
	2020		2019
Commercial Customers:
Amount billed	$	5,632	$	2,227
Unbilled receivables (1)		5,820		6,139
		11,452		8,366
Advanced Technologies (including U.S. government(2)):
Amount billed		485		1,065
Unbilled receivables		1,655		1,545
		2,140		2,610
Accounts receivable, net and unbilled receivables	$	13,592	$	10,976

(1) Additional long-term unbilled receivables of $4.4 million and $3.6 million are included within “Other Assets” as of April 30, 2020 and October 31, 2019, respectively.

(2) Total U.S. government accounts receivable, including unbilled receivables, outstanding as of April 30, 2020 and October 31, 2019 were $1.4 million and $1.2 million, respectively.

Accounts receivable are presented net of an allowance for doubtful accounts. There was no allowance for doubtful accounts as of April 30, 2020 and October 31, 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.