XML 34 R32.htm IDEA: XBRL DOCUMENT v2.4.0.6
The Company and Summary of Significant Accounting Policies (Details 2) (USD $)
 12 Months Ended 12 Months Ended 1 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2012
Minimum
Dec. 31, 2012
Maximum
Dec. 31, 2012
Purchased intangible assets
Dec. 31, 2011
Purchased intangible assets
Dec. 31, 2012
Developed technology
Dec. 31, 2011
Developed technology
Dec. 31, 2012
Developed technology
Minimum
Dec. 31, 2011
Developed technology
Minimum
Dec. 31, 2012
Developed technology
Maximum
Dec. 31, 2011
Developed technology
Maximum
Dec. 31, 2012
Customer relationships
Dec. 31, 2011
Customer relationships
Dec. 31, 2011
Contract backlog
Dec. 31, 2011
Non-compete agreements
Dec. 31, 2012
Patent license
Dec. 31, 2011
Patent license
Dec. 31, 2011
Memory technology patents
Item
Intangible assets                                        
Number of intangible assets sold                                       73
Life       1 year 7 years         3 years 3 years 5 years 5 years 3 years 3 years 1 year 1 year 6 months 7 years 7 years  
Gross Carrying Amount $ 10,410,000 $ 11,300,000       $ 9,630,000 $ 10,520,000 $ 9,240,000 $ 9,240,000         $ 390,000 $ 390,000 $ 750,000 $ 140,000 $ 780,000 $ 780,000  
Accumulated Amortization 7,756,000 6,900,000       7,645,000 6,900,000 7,255,000 5,676,000         390,000 334,000 750,000 140,000 111,000    
Net Carrying Value 2,654,000 4,400,000       1,985,000 3,620,000 1,985,000 3,564,000           56,000     669,000 780,000  
Amortization expense 1,746,000 2,618,000 2,818,000                                  
Estimated aggregate amortization expense to be recognized in future                                        
2013 1,000,000                                      
2014 1,000,000                                      
2015 400,000                                      
2016 through 2018 100,000                                      
Revenue Recognition                                        
Support and maintenance revenue recognition period based on fair value established by VSOE 12 months                                      
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                                        
Anti-dilutive securities excluded from computation of diluted net loss per share 10,384,000 9,015,000 10,603,000                                  
Numerator:                                        
Net income (loss) (in dollars) $ (27,614,000) $ 11,256,000 $ (23,062,000)                                  
Denominator:                                        
Add: weighted-average common shares outstanding 39,176,000 37,942,000 32,049,000                                  
Less: unvested common shares subject to repurchase   (81,000) (179,000)                                  
Total shares: basic 39,176,000 37,861,000 31,870,000                                  
Add: weighted-average stock options outstanding (in shares)   2,435,000                                    
Add: common shares subject to repurchase   81,000                                    
Total shares: diluted 39,176,000 40,377,000 31,870,000                                  
Net income (loss) per share:                                        
Basic (in dollars per share) $ (0.70) $ 0.30 $ (0.72)                                  
Diluted (in dollars per share) $ (0.70) $ 0.28 $ (0.72)                                  
Income Taxes                                        
Period over which the Company expects its unrecognized tax benefits to not change significantly 12 months