v3.4.0.3
CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Statement of Financial Position [Abstract]    
Accounts receivable, allowance for doubtful accounts $ 558
Write down of inventories $ 6,218 $ 7,718
Ordinary shares, par value per share $ 0.000001 $ 0.000001
Ordinary shares, shares authorized 2,000,000,000 2,000,000,000
Ordinary shares, shares issued 265,824,928 353,016,455
Ordinary shares, shares outstanding 265,824,928 353,016,455