XML 47 R28.htm IDEA: XBRL DOCUMENT v2.4.0.8
ACCRUED WARRANTY COSTS (Tables)
 6 Months Ended
Jun. 30, 2013
Product Warranties Disclosures [Abstract]  
Changes in warranty accrual
The following table summarizes the changes in the warranty accrual (in thousands):
Accrued warranty costs at December 31, 2012
$
603

Warranty expenses
(419
)
Accrual for warranty costs
565

Accrued warranty costs at June 30, 2013
$
749