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COST-REDUCTION ACTIONS (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				12 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2013
Rollforward of the severance and other exit cost accrual activity
Balance as of beginning of year	$ 32us-gaap_RestructuringReserve	$ 1,934us-gaap_RestructuringReserve
Additions	145us-gaap_RestructuringCharges	27us-gaap_RestructuringCharges
Reductions	(147)us-gaap_PaymentsForRestructuring	(448)us-gaap_PaymentsForRestructuring
Balance as of end of period	30us-gaap_RestructuringReserve	1,513us-gaap_RestructuringReserve
Spanish grants
Cost-reduction actions
Reversals			250
Facility closure \| Johor, Malaysia \| Cost of sales
Cost-reduction actions
Severance cost					386
Reversals				407
Facility closure \| Johor, Malaysia \| Selling, general and administrative expense
Cost-reduction actions
Severance cost					377
Reversals				$ 388