Accounts Receivable

9 Months Ended

Jul. 31, 2015

Accounts receivable as of July 31, 2015 and October 31, 2014 consisted of the following:



	July 31, 2015		October 31, 2014
Commercial Customers:
Amount billed	$	16,629	$	8,871
Unbilled recoverable costs	32,541		50,101
	49,170		58,972
Advanced Technology (including U.S. Government⁽¹⁾):
Amount billed	2,500		2,517
Unbilled recoverable costs	3,645		2,886
	6,145		5,403
Accounts receivable, net	$	55,315	$	64,375


(1)	Total U.S. Government accounts receivable outstanding as of July 31, 2015 and October 31, 2014 was $3.6 million and $1.7 million, respectively.

Accounts receivable from Commercial Customers includes billings for Product sales and Service and license agreements. Product sales include power plant, module, module kit sales, construction services and component part sales. Construction services includes engineering, procurement and construction (EPC) services of an overall fuel cell project. We bill customers for power plant and module kit sales based on certain contractual milestones being reached. We bill service agreements based on the contract price and billing terms of the contracts. Unbilled recoverable costs relate to revenue recognized on customer contracts that have not been billed. Commercial Customers accounts receivable (including Unbilled recoverable costs) included amounts due from POSCO Energy of $26.1 million and $29.9 million as of July 31, 2015 and October 31, 2014, respectively and amounts due from NRG and NRG Yield of $0.1 million as of July 31, 2015. There were no amounts outstanding from NRG and NRG Yield as of October 31, 2014.

Accounts receivable from Advance Technology contracts relate to research and development contracts with the U.S. government and certain third parties. Generally, our advanced technology contracts are billed based on actual recoverable costs incurred, typically in the month subsequent to incurring costs. Some advanced technology contracts are billed based on contractual milestones or costs incurred.

Accounts receivable are presented net of an allowance for doubtful accounts of $0.2 million and $0.1 million as of July 31, 2015 and October 31, 2014, respectively.