Valuation and Qualifying Accounts

12 Months Ended

Dec. 31, 2011

Valuation and Qualifying Accounts [Abstract]

Valuation and Qualifying Accounts

Valuation and Qualifying Accounts

Year	Description	Balance at the Beginning of Year		Additions Charged to Costs and Expense		Deductions			Balance at End of Year
Year ended 2011
Allowance for Doubtful Accounts		$	134,000	$	23,000	$	(8,000	)	$	149,000
Reserve for Inventory Valuation			753,000		45,000		(105,000	)		693,000
Deferred income tax valuation allowance			758,000				(59,000	)		699,000
Year ended 2010
Allowance for Doubtful Accounts		$	216,000	$	31,000	$	(113,000	)	$	134,000
Reserve for Inventory Valuation			916,000				(163,000	)		753,000
Deferred income tax valuation allowance			713,000		45,000		—			758,000
Year ended 2009
Allowance for Doubtful Accounts		$	180,000	$	36,000	$	—		$	216,000
Reserve for Inventory Valuation			1,336,000		62,000		(482,000	)		916,000
Deferred income tax valuation allowance			715,000		—		(2,000	)		713,000