Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Change in Asset Retirement Obligation

The following summarizes the changes in asset retirement obligations in 2012:

	(In thousands)
Beginning balance	$	—
Acquisition of Credo		1,255
Accretion expense		26
Additions		79
	$	1,360

Schedule of Property, Plant and Equipment

We depreciate these assets using the straight-line method over their estimated useful lives as follows:

	Estimated		Carrying Value Year-End
	Useful Lives		2012			2011
			(In thousands)
Buildings and building improvements		10 to 40 years	$	4,835		$	4,916
Property and equipment		2 to 10 years		5,745			5,426
				10,580			10,342
Less: accumulated depreciation				(5,721	)		(5,164	)
			$	4,859		$	5,178