ACCOUNTS RECEIVABLE, NET (Tables)

6 Months Ended

Jun. 30, 2016

Receivables [Abstract]

Schedule of accounts receivable, net

Accounts receivable, net consists of the following:

(in thousands)	June 30, 2016			December 31, 2015
Billed	$	61,211		$	67,021
Unbilled	50,548			56,458
	111,759			123,479
Less: allowance for doubtful accounts	(11,594		)	(18,456		)
Total	$	100,165		$	105,023