v2.4.0.8

The Company and Summary of Significant Accounting Policies (Details) | 0 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  |  | 0 Months Ended | 12 Months Ended |  |  | 0 Months Ended
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Oct. 03, 2012 USD ($) | Sep. 30, 2012 | Dec. 31, 2013 USD ($) contract derivative | Dec. 31, 2012 USD ($) derivative | Dec. 31, 2011 USD ($) | Dec. 31, 2013 Minimum | Dec. 31, 2013 Maximum | Dec. 31, 2013 Scanner appliances | Dec. 31, 2013 Forward contracts USD ($) | Dec. 31, 2012 Forward contracts USD ($) | Dec. 31, 2013 Forward contracts EUR (€) | Dec. 31, 2013 Forward contracts GBP (£) | Dec. 31, 2012 Forward contracts EUR (€) | Dec. 31, 2013 Customer concentration risk Accounts receivable customer | Dec. 31, 2012 Customer concentration risk Accounts receivable customer | Oct. 03, 2012 Common Stock | Dec. 31, 2012 Common Stock | Dec. 31, 2013 Software and software development costs USD ($) | Dec. 31, 2012 Software and software development costs USD ($) | Oct. 03, 2012 Convertible Preferred Stock USD ($) | Oct. 03, 2012 IPO Common Stock USD ($) | Oct. 03, 2012 IPO Convertible Preferred Stock | Oct. 03, 2012 IPO Overallotment Common Stock
Initial Public Offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shares sold in IPO, including existing shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,711,250 |  |
Shares sold in initial public offering, including existing shares, price per share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 12.00 |  |
Issuance of common stock upon initial public offering, net of offering costs (in shares) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,836,250 | 7,836,250 |  |  |  |  |  | 1,136,250
Shares sold by existing stockholders during initial public offering |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 875,000 |  |
Proceeds from issuance of initial public offering | $ 87,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sale of stock, expenses incurred in offering | 2,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of stock, shares converted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17,597,258 |
Concentration of Credit Risk |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Concentration risk, number of customers |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 | 0 |  |  |  |  |  |  |  |
Property Equipment, Net |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Property, plant and equipment, useful life |  |  |  |  |  | 3 years | 5 years | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill and Intangible Assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-lived intangible asset, useful life |  |  |  |  |  | 3 years | 14 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Software Development Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capitalized development costs |  |  | 3,469,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300,000 | 300,000 |  |  |  |
Derivative Financial Instruments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, number of instruments held |  |  | 2 | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative, notional amount |  |  |  |  |  |  |  |  |  |  | 6,300,000 | 2,000,000 | 10,700,000 |  |  |  |  |  |  |  |  |  |
Foreign currency contract, asset, fair value disclosure |  |  | 0 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative instruments not designated as hedging instruments, loss |  |  |  |  |  |  |  |  | 800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency transaction gain, before tax |  |  | 200,000 | 200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Foreign currency transaction gain (loss), before tax |  |  | (596,000) | (179,000) | (338,000) |  |  |  |  | (400,000) |  |  |  |  |  |  |  |  |  |  |  |  |
Advertising Expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Advertising expense |  |  | 4,200,000 | 4,300,000 | 4,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reverse Stock Split |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' equity, reverse stock split |  | one-for-ten reverse stock split |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stockholders' equity note, stock split, conversion ratio |  | 0.1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of Stock, Amount Converted |  |  | $ 0 | $ 63,873,000 | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 63,900,000 |  |  |

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