Accounts Receivable

12 Months Ended

Dec. 31, 2018

Accounts Receivable

Accounts Receivable

Note 3: Accounts Receivable

Accounts receivable, net consists of the following:

December 31,	2018			2017
(in thousands)
Trade receivables:
Billed	$	266,660		$	296,588
Unbilled		56,408			68,494
Other receivables		5,278			17,242
Total		328,346			382,324
Less: allowance for doubtful accounts		(4,813	)		(4,471	)
Accounts receivable, net	$	323,533		$	377,853

Trade receivables relate to revenues generated from equipment and services, for which credit is extended based on our evaluation of the customer’s credit worthiness. Unbilled receivables represent revenues earned but not billed to the customer until future dates, usually within one month. Other receivables consists primarily of net amounts receivable from an agent, that operates internationally, as well as amounts due from the favorable resolution of state tax audits and rebates due from suppliers.

Changes in the Company’s allowance for doubtful accounts are as follows:

Years Ended December 31,	2018			2017
(in thousands)
Beginning balance	$	4,471		$	2,553
Bad debt expense		588			1,441
Accounts written-off		(260	)		(105	)
Recoveries		14			582
Ending balance	$	4,813		$	4,471