Note Q - Supplemental Information

12 Months Ended

Dec. 31, 2014

Receivables [Abstract]

Financing Receivables [Text Block]

NOTE Q—SUPPLEMENTAL INFORMATION

Valuation and Qualifying Accounts

Allowance for Doubtful Accounts

	2014			2013		2012
Balance at beginning of period	$	1,753		$	1,448	$	1,746
Bad debt expense		272			112		336
Net recoveries (write-offs)		(138	)		193		(634	)
Balance at end of period	$	1,887		$	1,753	$	1,448