XML 21 R33.htm IDEA: XBRL DOCUMENT v2.4.0.8
Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2013
Commitments and Contingencies [Abstract]  
Schedule of Product Warranty Liability [Table Text Block]
Changes in the Company’s warranty reserves are as follows:
 
Year Ended December 31,
 
2011

2012

2013
Balance, beginning of the year
$
1,654


$
1,406


$
2,024

Accruals
1,987


2,482


1,956

Warranty Liability assumed in acquisition
—


225


—

Usage
(2,235
)

(2,089
)

(2,429
)
Balance, end of the year
$
1,406


$
2,024


$
1,551