Contract Receivables (Tables)

9 Months Ended

Sep. 30, 2012

Contract Receivables [Abstract]

Components of contract receivables

The components of contract receivables are as follows:

(in thousands)	September 30,  2012		December 31, 2011
Billed receivables	$	7,858	$         8,258
Recoverable costs and accrued profit not billed		11,719	12,234
Allowance for doubtful accounts		(136)	(136)
Total contract receivables, net	$	19,441	$      20,356

Concentration Risk [Line Items]

Contract receivable by major customers

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

	September 30,2012		December 31, 2011
Slovenské elektrárne, a.s.		15.7%	24.2%
Shandong Nuclear Power Co. Ltd.		15.3%	5.0%
Kraftwerkesschule E.V.		12.4%	7.9%