Contract Receivables (Tables)

6 Months Ended

Jun. 30, 2012

Contract Receivables [Abstract]

Components of contract receivables

The components of contract receivables are as follows:

(in thousands)		June 30,		December 31,
		2012		2011
Billed receivables		$	14,810	$	8,258
Recoverable costs and accrued profit not billed		11,418		12,234
Allowance for doubtful accounts		(136)		(136)
	Total contract receivables, net	$	26,092	$	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:

	June 30,	December 31,
	2012	2011
Slovensk� elektr�rne, a.s.	24.8%	24.2%
Genden Information System Co.	12.2%	2.2%