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Summary of Significant Accounting Policies (Policies)
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3 Months Ended |
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Mar. 31, 2014
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| Summary of Significant Accounting Policies | |
| Stock-Based Compensation - Employee Stock Purchase Plan |
Stock-Based Compensation — Employee Stock Purchase Plan
In December 2013, our board of directors approved the Employee Stock Purchase Plan (“ESPP”), subject to approval at the annual meeting of stockholders in June 2014. We estimate the fair value of shares to be issued under the ESPP on the first day of the offering period using the Black-Scholes valuation model. The determination of the fair value is affected by our stock price on the first date of the offering period, as well as other assumptions including the risk-free interest rate, the estimated volatility of our stock price over the term of the offering period, the expected term of the offering period and the expected dividend rate. Stock-based compensation expense related to the ESPP is recognized on a straight-line basis over the offering period, net of estimated forfeitures. If the stockholders do not approve the ESPP, the ESPP will be terminated, any contributions will be returned to the participants and we will reverse the accumulation of the expense related to the ESPP at that time.
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| Deferred Revenue |
Deferred Revenue
Our deferred revenue consists principally of both prepaid but unrecognized subscription revenue and advertising fees received or billed in advance of the delivery or completion of the delivery of services. Deferred revenue is recognized as revenue when the services are provided and all other revenue recognition criteria have been met.
In addition, subscription revenue derived from sales through certain mobile devices may be subject to refund or cancellation terms which may affect the timing or amount of the subscription revenue recognition. When refund rights exist, we recognize revenue when services have been provided and the rights lapse or when we have developed sufficient transaction history to estimate a return reserve.
We were required to defer revenue for certain in application (“in-app”) mobile subscriptions that contained refund rights until the refund rights lapsed or we developed sufficient operating history to estimate a return reserve. As of December 31, 2013, we had deferred all revenue related to these in-app mobile subscriptions subject to refund rights totaling approximately $14.2 million, as we did not have sufficient history to estimate a return reserve. Beginning in January 2014, we had sufficient historic transactional information which enabled us to estimate future returns. Accordingly, in January 2014, we began recording revenue related to these in-app mobile subscriptions net of estimated returns. This change resulted in a one-time increase in subscription revenue in the three months ended March 31, 2014 of approximately $14.2 million, as the previously deferred revenue was recognized. As of March 31, 2014, the deferred revenue related to the return reserve was not significant.
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| Concentration of Credit Risk |
Concentration of Credit Risk
For the three months ended March 31, 2013 and 2014, we had no customers that accounted for more than 10% of our total revenue. As of December 31, 2013 and March 31, 2014, we had no customers that accounted for more than 10% of our total accounts receivable.
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