Annual report pursuant to Section 13 and 15(d)

Composition of Certain Financial Statement Captions (Details 2)

v2.4.0.6
Composition of Certain Financial Statement Captions (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Allowance for doubtful accounts [Member]
   
Allowance for doubtful accounts for inventory reserve and tax valuation    
Beginning balance $ (440) $ (279)
Charged to expense (86) (257)
Written-off 86 96
Charged to other (34)  
Ending balance (474) (440)
Inventory Reserve [Member]
   
Allowance for doubtful accounts for inventory reserve and tax valuation    
Beginning balance (325) (264)
Charged to expense (2,544) (607)
Written-off 1,582 546
Charged to other (26)  
Ending balance (1,313) (325)
Tax valuation allowance [Member]
   
Allowance for doubtful accounts for inventory reserve and tax valuation    
Beginning balance (53,255) (47,341)
Charged to expense 9,626 19,358
Charged to other (15,516) (25,272)
Ending balance $ (59,145) $ (53,255)