Discontinued Operations (Tables)

3 Months Ended

Mar. 31, 2012

Discontinued Operations

Summary of information related to discontinued operations

	Three months ended March 31, 2012								Three months ended March 31, 2011
	Solar Systems		Metrology			Total			Solar Systems			Metrology			Total
Net sales	$	—	$	—		$	—		$	—		$	—		$	—
Cost of sales	—		—			—			1,631			—			1,631
Gross profit	—		—			—			(1,631		)	—			(1,631		)
Total operating expenses	—		81			81			5,908			498			6,406
Operating loss	$	—	$	(81	)	$	(81	)	$	(7,539	)	$	(498	)	$	(8,037	)
Net loss from discontinued operations, net of tax	$	—	$	(50	)	$	(50	)	$	(4,896	)	$	(441	)	$	(5,337	)