Quarterly report pursuant to Section 13 or 15(d)

Changes in Warranty Liability (Detail)

v2.4.0.8
Changes in Warranty Liability (Detail) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Product Warranty [Line Items]    
Warranty liability $ 597 $ 346
Provisions for current year sales 112 208
Current period claims (120) (87)
Warranty liability $ 589 $ 467