Note P - Supplemental Information (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Allowance for Credit Losses on Financing Receivables [Table Text Block]

	2015			2014			2013
Balance at beginning of period	$	1,887		$	1,753		$	1,448
Bad debt expense		268			272			112
Net recoveries (write-offs)		(8	)		(138	)		193
Effect of foreign currency translation		(9	)		—			—
Balance at end of period	$	2,138		$	1,887		$	1,753