SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

12 Months Ended

Dec. 31, 2012

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS

SCHEDULE II—VALUATION AND QUALIFYING ACCOUNTS

	Balance at Beginning of Period		Additions		(Deductions)			Balance at End of Period
Allowance for Doubtful Accounts:
Year ended December 31, 2012	$	29,473	$	9,659	$	(12,875	)	$	26,257
Year ended December 31, 2011	$	23,231	$	8,527	$	(2,285	)	$	29,473
Year ended December 31, 2010	$	31,472	$	2,927	$	(11,168	)	$	23,231
Inventory Reserve:
Year ended December 31, 2012	$	39,803	$	37,009	$	(49,233	)	$	27,579
Year ended December 31, 2011	$	59,633	$	18,501	$	(38,332	)	$	39,803
Year ended December 31, 2010	$	32,455	$	56,748	$	(29,570	)	$	59,633
Deferred Tax Asset Valuation Allowance:
Year ended December 31, 2012	$	19,726,000	$	18,540,000	$	—		$	38,266,000
Year ended December 31, 2011	$	11,963,000	$	7,763,000	$	—		$	19,726,000
Year ended December 31, 2010	$	10,930,000	$	1,033,000	$	—		$	11,963,000

        Allowances and reserves are deducted from the accounts to which they apply.