Accounts Receivable

12 Months Ended

Dec. 31, 2018

Receivables [Abstract]

Accounts Receivable

Accounts receivable as of December 31, 2018 and 2017 are summarized as follows:

	December 31,
	2018		2017
Accounts receivable	$	87,055	$	78,733
Allowance for doubtful accounts	(932)		(2,151)
Accounts receivable - net	$	86,123	$	76,582

Changes in reserves for uncollectible accounts are recorded as part of “Selling and administrative expenses” in the Consolidated Statements of Operations, and were income of $1,443 and expense of $846 for the years ended December 31, 2018 and 2017, respectively.

The Company’s customers are principally in the transportation and energy infrastructure sectors. As of December 31, 2018 and 2017, trade receivables, net of allowance for doubtful accounts, from customers were as follows:

	December 31,
	2018		2017
Rail Products and Services	$	43,180	$	31,225
Construction Products	19,998		20,070
Tubular and Energy Services	19,121		21,068
Trade accounts receivable - net	$	82,299	$	72,363

Credit is extended based upon an evaluation of the customer’s financial condition and, while collateral is not required, the Company periodically receives surety bonds that guarantee payment. Credit terms are consistent with industry standards and practices.