(3)Receivables

Receivables consist of the following (in thousands):

	December 31,
	2015			2014
Accounts receivable—trade	$	17,980		$	16,972
Less allowance for doubtful receivables	(499		)	(502		)


	$	17,481		$	16,470

Receivables are written off against these reserves in the period they are determined to be uncollectible, and payments subsequently received on previously written-off receivables are recorded as a reversal of the bad debt provision. The Company performs credit evaluations on its customers and obtains credit insurance on a large percentage of its accounts, but does not generally require collateral. The Company recorded a provision for doubtful accounts of approximately $16,000 and $171,000 for the years ended December 31, 2015 and 2014, respectively.