Contract Receivables (Tables)

6 Months Ended

Jun. 30, 2014

Contract Receivables [Abstract]

Components of contract receivables

The components of contract receivables are as follows:

(in thousands)	June 30,			December 31,
	2014			2013
Billed receivables	$	8,472		$	19,040
Recoverable costs and accrued profit not billed		5,972			5,519
Allowance for doubtful accounts		(25	)		(2	)
Total contract receivables, net	$	14,419		$	24,557

Concentration Risk [Line Items]

Contract receivable by major customers

The following customers account for more than 10% of the Company's consolidated contract receivables as of:

	June 30, 2014	December 31, 2013
China Nuclear Power Engineering Company	13.0%	4.9%
Slovenské elektrárne, a.s.	2.1%	35.9%