Note 5 - Commitments and Contingent Liabilities (Tables)

9 Months Ended

Sep. 30, 2015

Notes Tables

Schedule of Product Warranty Liability [Table Text Block]

	2015			2014
Balance of accrued warranty at January 1	$	9,237		$	7,579
Warranties issued during the period		3,413			4,323
Cash settlements made during the period		(5,297	)		(3,238	)
Changes in liability for pre-existing warranties during the period, including expirations		3,886			824
Balance of accrued warranty at September 30	$	11,239		$	9,488

Schedule of Loss Contingencies by Contingency [Table Text Block]

Cost of products sold	$	1,269
Selling, general and administrative		1,000
	$	2,269