Accounts Receivable

12 Months Ended

Dec. 31, 2017

Accounts Receivable Additional Disclosures [Abstract]

Accounts Receivable

Accounts Receivable

Accounts receivable at December 31, 2017 and 2016 are summarized as follows:

	2017			2016
Trade	$	74,514		$	64,707
Allowance for doubtful accounts	(2,151		)	(1,417		)
	72,363			63,290
Other	4,219			3,342
	$	76,582		$	66,632

The Company’s customers are principally in the transportation and energy infrastructure sectors. At December 31, 2017 and 2016, trade receivables, net of allowance for doubtful accounts, from customers were as follows:

	2017		2016
Rail Products and Services	$	31,225	$	29,552
Construction Products	20,070		20,531
Tubular and Energy Services	21,068		13,207
	$	72,363	$	63,290

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.