Annual report pursuant to Section 13 and 15(d)

Stock-Based Compensation - Schedule of Stock Option Activity (Details)

v3.19.1
Stock-Based Compensation - Schedule of Stock Option Activity (Details) - $ / shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
Number of Options Outstanding, Beginning balance 1,266,250 239,428
Number of Options, Granted 1,062,242
Number of Options, Exercised
Number of Options, Forfeited (132,762) (35,420)
Number of Options Outstanding, Ending balance 1,133,488 1,266,250
Number of Options Exercisable 934,156  
Weighted Average Exercise Price, Outstanding, Beginning $ 2.38 $ 5.20
Weighted Average Exercise Price, Granted 1.84
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Forfeited 1.25 5.18
Weighted Average Exercise Price, Outstanding, Ending 1.75 $ 2.38
Weighted Average Exercise Price, Exercisable $ 2.47  
Weighted Average Remaining Contractual Terms Options outstanding, Beginning 8 years 3 months 4 days 7 years 5 months 9 days
Weighted Average Remaining Contractual Terms Options outstanding, Ending 8 years 1 month 20 days 8 years 3 months 4 days
Weighted Average Remaining Contractual Terms Options exercisable, Ending 7 years 8 months 9 days