Accounts Receivable

3 Months Ended

Mar. 31, 2017

Receivables [Abstract]

Accounts Receivable

4. ACCOUNTS RECEIVABLE

Accounts receivable as of March 31, 2017 and December 31, 2016 consist of the following (in thousands):

	March 31, 2017			December 31, 2016
Billed receivables	$	1,402		$	1,547
Less allowance for doubtful accounts		(74	)		(76	)
Accounts receivable – net	$	1,328		$	1,471