Schedule II - Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2013

Schedule II - Valuation and Qualifying Accounts

Schedule II — Valuation and Qualifying Accounts

Classification	Balance at Beginning ofPeriod		Additions		Deductions		Balance at End ofPeriod
	(In thousands)
Deferred tax assets valuation allowances
Year ended December 31, 2011		42,579		794		—		43,373
Year ended December 31, 2012		43,373		12,132		7,554		47,951
Year ended December 31, 2013		47,951		9,909		1,224		56,636
Accounts receivable allowances
Year ended December 31, 2011		409		38		282		164
Year ended December 31, 2012		164		117		91		190
Year ended December 31, 2013		190		95		154		131
Warranty accrual
Year ended December 31, 2011		150		35		—		185
Year ended December 31, 2012		185		24		104		105
Year ended December 31, 2013		105		44		40		109