Accounts Receivable, Net

3 Months Ended

Mar. 31, 2015

Receivables [Abstract]

Accounts Receivable, Net

Accounts Receivable, Net

Accounts receivable, net consists of the following:

	March 31, 2015			December 31, 2014
Trade receivables	$	53,469		$	53,081
Unbilled revenue	5,882			4,036
Other receivables	2,003			1,581
	61,354			58,698
Less: Allowance for doubtful accounts	(470		)	(464		)
Accounts receivable, net	$	60,884		$	58,234

Under contract accounting, unbilled revenues arise when the sales or revenues based on performance attainment, though appropriately recognized, cannot be billed yet under terms of the contract as of the balance sheet date. Included in unbilled revenue at March 31, 2015 and December 31, 2014 are $1,409 and $549, respectively, related to unpriced change orders or claims that are subject to negotiation. The final resolution of these unpriced items could result in either a favorable or unfavorable change in the revenue recognized to date on the associated contracts.

Accounts receivable expected to be collected after one year is not material.

The Company records changes in contract estimates using the cumulative catch-up method in accordance with the Revenue Recognition topic of the FASB Accounting Standards Codification.  Cumulative catch-up adjustments had the following impacts to operating income for the periods presented:

	Three Months Ended March 31,
	2015			2014
Favorable adjustments	$	412		$	271
Unfavorable adjustments	(36		)	(306		)
Net favorable (unfavorable) operating income adjustments	$	376		$	(35	)