Annual report pursuant to Section 13 and 15(d)

Composition of Certain Financial Statement Captions (Details 2)

v3.3.1.900
Composition of Certain Financial Statement Captions (Details 2) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Allowance for doubtful accounts    
Allowance for doubtful accounts for inventory reserve and tax valuation    
Beginning balance $ (1,906) $ (1,884)
Charged to expense (24,548) (646)
Written-off 928 321
Charged to other 358 303
Ending balance (25,168) (1,906)
Inventory reserve    
Allowance for doubtful accounts for inventory reserve and tax valuation    
Beginning balance (639) (777)
Charged to expense (926) (1,082)
Written-off 435 1,028
Charged to other 79 192
Ending balance (1,051) (639)
Tax valuation allowance    
Allowance for doubtful accounts for inventory reserve and tax valuation    
Beginning balance (131,931) (85,370)
Charged to expense 0 0
Written-off 0 0
Charged to other 89,784 (46,561)
Ending balance $ (42,147) $ (131,931)