Schedule II Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2012

Valuation and Qualifying Accounts [Abstract]

Schedule II Valuation and Qualifying Accounts

			Additions
	Balance at Beginning of Period		Charged to Costs and Expenses	Charged to Other Accounts	Deductions		Balance at End of Period
	In thousands
Allowance for Doubtful Accounts Receivable
Year ended December 31, 2010	$	23	168	—	(36	)	$	155
Year ended December 31, 2011	$	155	259	—	(80	)	$	334
Year ended December 31, 2012	$	334	303	—	(406	)	$	231
Tax Valuation Allowance
Year ended December 31, 2010	$	—	—	—	—		$	—
Year ended December 31, 2011	$	—	—	—	—		$	—
Year ended December 31, 2012	$	—	2,203	—	—		$	2,203