Quarterly report pursuant to Section 13 or 15(d)

Description of Stock Plans - Schedule of Market-based Assumptions (Details)

v3.10.0.1
Description of Stock Plans - Schedule of Market-based Assumptions (Details)
9 Months Ended
Dec. 31, 2018
Minimum  
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]  
Expected life of the options 5 years 7 months 13 days
Maximum  
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]  
Expected life of the options 9 years 5 months 9 days
Risk-free interest rate | Minimum  
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]  
Risk-free interest rate (as a percent) 0.0267
Risk-free interest rate | Maximum  
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]  
Risk-free interest rate (as a percent) 0.0294
Expected volatility  
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]  
Risk-free interest rate (as a percent) 0.66
Expected dividend yield  
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]  
Risk-free interest rate (as a percent) 0
Expected forfeitures  
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]  
Risk-free interest rate (as a percent) 0.29