Note Q - Supplemental Information

12 Months Ended

Dec. 31, 2013

Supplemental Cash Flow Elements [Abstract]

Cash Flow, Supplemental Disclosures [Text Block]

NOTE Q—SUPPLEMENTAL INFORMATION

Valuation and Qualifying Accounts

Allowance for Doubtful Accounts

	2013		2012			2011
Balance at beginning of period	$	1,448	$	1,746		$	1,922
Bad debt expense		112		336			(64	)
Net recoveries (write-offs)		193		(634	)		(112	)
Balance at end of period	$	1,753	$	1,448		$	1,746