Note 3 - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Summary of Valuation Allowance [Table Text Block]

Year ended:	Balance at beginning of year		Reserve "purchased" during year		Additions (reductions) charged to costs and expenses			Foreign exchange gain/loss			Write-offs			B alance at end of year
December 31, 2015	$	395		-	$	1,449		$	(98	)		-		$	1,746
December 31, 2014	$	1,171		-	$	854		$	(25	)	$	(1,605	)	$	395
December 31, 2013	$	111,996		-	$	(106,504	)	$	(727	)	$	(3,594	)	$	1,171