Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

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,
	2013			2012			2011
Beginning balance	$	2		$	136		$	2,040
Current year provision		38			-			(230	)
Current year write-offs		(38	)		(134	)		(1,674	)
Ending balance	$	2		$	2		$	136

Schedule of Warranties

The activity in the warranty accounts is as follows:

(in thousands)	As of and for the
	Years ended December 31,
	2013			2012			2011
Beginning balance	$	2,107		$	2,300		$	1,680
Current year provision		809			993			987
Current year claims		(1,065	)		(1,215	)		(352	)
Currency adjustment		-			29			(15	)
Ending balance	$	1,851		$	2,107		$	2,300

Schedule of Earnings Per Share, Basic and Diluted

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,
	2013			2012		2011
Numerator:
Net income (loss) attributed to common stockholders	$	(10,511	)	$	1,174	$	2,801
Denominator:
Weighted-average shares outstanding for basic earnings per share		18,150,915			18,383,564		18,952,401
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		18,150,915			18,458,457		19,122,903
Shares related to dilutive securities excluded because inclusion would be anti-dilutive		2,919,521			2,885,809		1,701,794

Percentage of Receivable by Major Customers

The Company is subject to concentration of credit risk with respect to contract receivables. Credit risk on contract receivables is mitigated by the nature of the Company's worldwide customer base and its credit policies.  The Company's customers are not concentrated in any specific geographic region, but are concentrated in the energy industry. The following customers have provided more than 10% of the Company's consolidated contract receivables for the indicated periods:

	December 31,
	2013	2012
Slovenské elektrárne, a.s.	35.9%	17.4%
Shandong Nuclear Power Co. Ltd.	8.1%	13.8%

Schedule of Foreign Exchange Contracts, Statement of Financial Position

As of December 31, 2013, the Company had foreign exchange contracts outstanding of approximately 0.2 million Pounds Sterling, 13.3 million Euro, and 10.1 million Japanese Yen at fixed rates.  At December 31, 2012, the Company had foreign exchange contracts outstanding of approximately 0.8 million Pounds Sterling, 9.9 million Euro, and 61.8 million Japanese Yen at fixed rates. The contracts expire on various dates through May 2016.  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)	2013			2012
Asset derivatives
Prepaid expenses and other current assets	$	140		$	296
Other assets		2			20
		142			316
Liability derivatives
Other current liabilities		(637	)		(190	)
Other liabilities		(18	)		(149	)
		(655	)		(339	)
Net fair value	$	(513	)	$	(23	)

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

For the years ended December 31, 2013, 2012 and 2011, the Company recognized a net gain (loss) on its derivative instruments as outlined below:

	Years ended December 31,
(in thousands)	2013			2012			2011
Foreign exchange contracts- change in fair value	$	(489	)	$	(202	)	$	73
Remeasurement of related contract receivables and billings in excess of revenue earned		754			81			(141	)
	$	265		$	(121	)	$	(68	)