Quarterly report pursuant to Section 13 or 15(d)

Changes in Warranty Liability (Detail)

v2.4.1.9
Changes in Warranty Liability (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Product Warranty [Line Items]  
Warranty liability $ 443us-gaap_ProductWarrantyAccrual
Provisions for current year sales 44us-gaap_ProductWarrantyAccrualWarrantiesIssued
Current period claims (26)us-gaap_ProductWarrantyAccrualPayments
Warranty liability $ 461us-gaap_ProductWarrantyAccrual