Allowance for Doubtful Accounts

12 Months Ended

Dec. 31, 2011

Allowance For Doubtful Accounts [Abstract]

Allowance for Doubtful Accounts [Text Block]

6. Allowance for Doubtful Accounts

The changes in the allowance for doubtful accounts are summarized as follows:

	Year Ended December 31,
	2011			2010
	(In thousands)
Balance at beginning of year	$	562		$	785
Additions (charged to expense)		126			170
Adjustments		6			13
Deductions		(413	)		(406	)
Balance at end of year	$	281		$	562