Annual report pursuant to Section 13 and 15(d)

Subsequent Events

Subsequent Events
12 Months Ended
Dec. 31, 2019
Subsequent Events [Abstract]  
Subsequent Events Subsequent EventsOn February 4, 2020, the Company granted options to employees and executives to purchase 381,800 shares of the Company’s common stock for a term of 10 years, an exercise price of $11.71, and a vesting period of 25% annually over a four year period. The options had an aggregated grant date fair value of $3,193,468 that was calculated using the Black-Scholes option-pricing model. Variables used in the Black-Scholes option-pricing model include: (1) a discount rate of 1.42% based on the daily yield curve rates for U.S. Treasury obligations, (2) expected life of 6.25 years based on the simplified method (vesting plus contractual term divided by two), (3) expected volatility of 83.12% based on the historical volatility of comparable companies' stock, (4) no expected dividends and (5) fair market value of the Company's stock of $11.71 per share.