Note 12 - Warranty Costs (Tables)

9 Months Ended

Sep. 30, 2016

Notes Tables

Schedule of Product Warranty Liability [Table Text Block]

	Nine Months Ended September 30,
	2016			2015
	(Dollars in thousands)
Warranty accrual, beginning of the period	$	40,691		$	13,584
Warranty costs accrued during the period		16,903			7,403
Warranty costs paid during the period		(15,088	)		(7,119	)
Warranty accrual, end of the period	$	42,506		$	13,868