Note 4 - Warranty Reserves (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Product Warranty Liability [Table Text Block]

	Three Months Ended March 31,
	2013			2012
(In thousands)
Warranty accrual at beginning of period	$	770		$	1,028
Charged to expense		56			125
Amounts written off, net of recoveries		(68	)		(109	)
Foreign currency adjustment		2			7
Warranty accrual at end of period	$	760		$	1,051