Note 4 - Redeemable Noncontrolling Interest (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Redeemable Noncontrolling Interest [Table Text Block]

	Year Ended December 31,
	2019				2018			2017
Balance at beginning of period	$	61,004			$	43,929		$	33,138
Noncontrolling interest		3,165		(1)		-			1,540		(2)
Net income		75				2,214			1,631
Foreign currency translation		(1,764	)			(3,109	)		8,529
Redemption value adjustment		(1,253	)			17,970			(909	)
Balance at end of period	$	61,227			$	61,004		$	43,929