Quarterly report pursuant to Section 13 or 15(d)

3. Stock-Based Compensation (Details)

v2.4.1.9
3. Stock-Based Compensation (Details)
3 Months Ended
Mar. 31, 2015
Stock-based Compensation Details  
Risk free interest rate, minimum 1.61%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum
Risk free interest rate, maximum 1.97%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum
Dividend yield 0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
Expected term, minimum 5 years
Expected term, maximum 10 years
Expected volatility, minimum 41.20%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum
Expected volatility, maximum 54.20%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum