Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Summary of Significant Accounting Policies [Abstract]

Schedule of Allowance for Doubtful Accounts

The activity in the allowance for doubtful accounts is as follows:

(in thousands)	As of and for the
	Years ended December 31,
	2012	2011	2010
Beginning balance	$       136	$     2,040	$        1,746
Current year provision	-	(230)	294
Current year write-offs	(134)	(1,674)	-
Ending balance	$           2	$       136	$        2,040

Schedule of Warranties

The activity in the warranty accounts is as follows:

(in thousands)	As of and for the
	Years ended December 31,
	2012			2011			2010
Beginning balance	$	2,300		$	1,680		$	1,273
Current year provision		993			987			718
Current year claims		(1,215	)		(352	)		(330	)
Currency adjustment		29			(15	)		19
Ending balance	$	2,107		$	2,300		$	1,680

Schedule of Calculation of Numerator and Denominator in Earnings Per Share

The number of common shares and common share equivalents used in the determination of basic and diluted income (loss) per share were as follows:

(in thousands, except for share and per share amounts)
			Years ended December 31,
			2012	2011	2010
Numerator:
	Net income (loss) attributed to
		common stockholders	$         1,174	$           2,801	$       (2,249)
Denominator:
	Weighted-average shares outstanding for basic
		earnings per share	18,383,564	18,952,401	18,975,007
	Effect of dilutive securities:
		Employee stock options and warrants	74,893	170,502	-
	Adjusted weighted-average shares outstanding
		and assumed conversions for diluted
		earnings per share	18,458,457	19,122,903	18,975,007
	Shares related to dilutive securities excluded
		because inclusion would be anti-dilutive	2,885,809	1,701,794	1,679,907

Percentage of Receivable by Major Customers

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

	December 31,
	2012	2011
Slovenské elektrárne, a.s.	17.4%	24.2%
Shandong Nuclear Power Co. Ltd.	13.8%	5.0%

Schedule of Foreign Exchange Contracts, Statement of Financial Position

The Company had not designated the foreign exchange contracts as hedges and had recorded the estimated fair value of the contracts in the consolidated balance sheet as follows:

			December 31,
(in thousands)			2012	2011
Asset derivatives
	Prepaid expenses and other current assets		$             296	$       393
	Other assets		20	90
			316	483
Liability derivatives
	Other current liabilities		(190)	(258)
	Other liabilities		(149)	(56)
			(339)	(314)
		Net fair value	$             (23)	$       169

Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss)

For the years ended December 31, 2012, 2011 and 2010, the Company recognized a net loss on its derivative instruments as outlined below:

	Years ended December 31,
(in thousands)	2012	2011	2010
Foreign exchange contracts- change	$     (202)	$         73	$     (745)
in fair value
Remeasurement of related contract
receivables and billings in excess
of revenue earned	81	(141)	(168)
	$     (121)	$        (68)	$     (913)