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The Company and Summary of Significant Accounting Policies - Revenue Recognition & Per Share (Details) - USD ($)
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Revenue Recognition    
Threshold purchase return percentage by distributors for slow, non-moving or obsolete inventory 10.00%  
Specified period for return of threshold percentage of purchases by distributors for slow, non-moving or obsolete inventory 6 months  
Per Share Amounts    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 17,304,000 10,016,000
Convertible Debt   $ 0