Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of Non-Vested Stock Options (Details)

v3.19.3
Stock-Based Compensation - Summary of Non-Vested Stock Options (Details)
9 Months Ended
Sep. 30, 2019
$ / shares
shares
Shares  
Non-vested stock options at December 31, 2018 (in shares) | shares 926,500
Granted | shares 68,000
Vested (in shares) | shares (215,500)
Cancelled, expired or forfeited (in shares) | shares (150,000)
Non-vested stock options at September 30, 2019 (in shares) | shares 629,000
Weighted Average Grant Date Fair Value  
Non-vested stock options at December 31, 2018 (in dollars per share) | $ / shares $ 0.91
Granted (in dollars per share) | $ / shares 2.99
Vested (in dollars per share) | $ / shares 1.29
Cancelled, expired or forfeited (in dollars per share) | $ / shares 0.95
Non-vested stock options at September 30, 2019 (in dollars per share) | $ / shares $ 0.84