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The Company and Summary of Significant Accounting Policies (Details 2) (USD $) | 3 Months Ended |  |  |  | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013 | Mar. 31, 2014 Developed technology | Dec. 31, 2013 Developed technology | Mar. 31, 2014 Developed technology Minimum | Dec. 31, 2013 Developed technology Minimum | Mar. 31, 2014 Developed technology Maximum | Dec. 31, 2013 Developed technology Maximum | Mar. 31, 2014 Patent license | Dec. 31, 2013 Patent license
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 |  |  |  |  |  |  |  |  |  |
Support and maintenance revenue recognition period | 12 months |  |  |  |  |  |  |  |  |  |
Licensing revenue | $ 41,000 | $ 188,000 |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |  |  |  |  |
Life |  |  |  |  |  | 3 years | 3 years | 5 years | 5 years | 7 years | 7 years
Gross Carrying Amount | 10,020,000 |  | 10,020,000 | 9,240,000 | 9,240,000 |  |  |  |  | 780,000 | 780,000
Accumulated Amortization | 8,615,000 |  | 8,365,000 | 8,364,000 | 8,142,000 |  |  |  |  | 251,000 | 223,000
Net Carrying Value | 1,405,000 |  | 1,655,000 | 876,000 | 1,098,000 |  |  |  |  | 529,000 | 557,000
Estimated aggregate amortization expense to be recognized in future |  |  |  |  |  |  |  |  |  |  |
Remainder of 2014 | 800,000 |  |  |  |  |  |  |  |  |  |
2015 | 300,000 |  |  |  |  |  |  |  |  |  |
2016 | 100,000 |  |  |  |  |  |  |  |  |  |
2017 | 100,000 |  |  |  |  |  |  |  |  |  |
2018 | $ 100,000 |  |  |  |  |  |  |  |  |  |
Per Share Amounts |  |  |  |  |  |  |  |  |  |  |
Anti-dilutive securities excluded from computation of diluted net loss per share | 10,173,000 | 9,970,000 |  |  |  |  |  |  |  |  |

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