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Accounts Receivable, Net and Unbilled Receivables - Schedule of Accounts Receivable, Net and Unbilled Receivables (Details) - USD ($)
$ in Thousands
Jan. 31, 2022
Oct. 31, 2021
Accounts Receivable, Net and Unbilled Receivables    
Amount billed $ 30,009 $ 13,854
Unbilled receivables [1] 10,077 7,175
Commercial customers accounts receivable 40,086 21,029
Advanced Technologies including U.S. government, Amount billed [2] 693 876
Advanced Technologies including U.S. government, Unbilled receivables [2] 3,481 1,749
Advanced Technologies including U.S. government, Accounts receivable [2] 4,174 2,625
Accounts receivable, net and unbilled receivables $ 44,260 $ 23,654
[1] Additional long-term unbilled receivables of $11.3 million and $11.6 million are included within “Other Assets” as of January 31, 2022 and October 31, 2021, respectively.
[2] Total U.S. government accounts receivable, including unbilled receivables, outstanding as of January 31, 2022 and October 31, 2021 were $1.7 million and $2.3 million, respectively.