Accounts Receivable

3 Months Ended

Mar. 31, 2018

3.	Accounts Receivable

(Table only in thousands)	March 31, 2018			December 31, 2017
Contract receivables	$	59,532		$	60,543
Trade receivables		8,395			11,603
Allowance for doubtful accounts		(4,131	)		(4,156	)
Total accounts receivable	$	63,796		$	67,990

Balances billed but not paid by customers under retainage provisions in contracts within the Condensed Consolidated Balance Sheets amounted to approximately $2.7 million and $2.5 million at March 31, 2018 and December 31, 2017, respectively. Retainage receivables on contracts in progress are generally collected within a year after contract completion.

Bad debt expense was $0.1 million and $0.2 million for the three-month periods ended March 31, 2018 and 2017, respectively.

- Definition

The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses.

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