Contract Receivables

3 Months Ended

Mar. 31, 2014

Contract Receivables [Abstract]

Contract Receivables

4. Contract Receivables

Contract receivables represent balances due from a broad base of both domestic and international customers.  All contract receivables are considered to be collectible within twelve months. Recoverable costs and accrued profit not billed represent costs incurred and associated profit accrued on contracts that will become billable upon future milestones or completion of contracts.

The components of contract receivables are as follows:

(in thousands)	March 31,			December 31,
	2014			2013
Billed receivables	$	6,789		$	19,040
Recoverable costs and accrued profit not billed		7,737			5,519
Allowance for doubtful accounts		(2	)		(2	)
Total contract receivables, net	$	14,524		$	24,557

Recoverable costs and accrued profit not billed totaled $7.7 million and $5.5 million as of March 31, 2014 and December 31, 2013, respectively.  During April 2014, the Company invoiced $1.4 million of the unbilled amounts.

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

	March 31, 2014	December 31, 2013
China Nuclear Power Engineering Company	11.7%	4.9%
Slovenské elektrárne, a.s.	9.9%	35.9%