Notes Payable - Warrants Calculated Using the Black Scholes Merton Pricing Model (Detail) |
Dec. 31, 2018
$ / shares
|
Mar. 23, 2017
$ / shares
shares
|
---|---|---|
Warrants calculated using the Black Scholes Merton pricing model | ||
Number of warrants | shares | 500,000 | |
Exercise price | $ 2.26 | |
Weighted-average fair value of warrants | $ 3.11 | $ 0.73 |
Expiration date | Nov. 13, 2022 | |
Expected Volatility of Underlying Stock | ||
Warrants calculated using the Black Scholes Merton pricing model | ||
Warrants outstanding, measurement input | 0.74 | 0.72 |
Risk-Free Interest Rate | ||
Warrants calculated using the Black Scholes Merton pricing model | ||
Warrants outstanding, measurement input | 0.0162 | 0.0208 |
Dividend Yield | ||
Warrants calculated using the Black Scholes Merton pricing model | ||
Warrants outstanding, measurement input | 0.00 | 0.00 |
Expected Life of Warrants | ||
Warrants calculated using the Black Scholes Merton pricing model | ||
Expected life of warrants | 8 years | 5 years |