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Share-Based Compensation - Schedule of Stock Options Vested and Expected to Vest (Details)
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Share-based Payment Arrangement [Abstract]  
Number of Options, Outstanding | shares 377,277
Number of Options, Exercisable | shares 112,100
Number of Options, Expected to vest | shares 265,127
Weighted-Average Remaining Contractual Life (In Years), Outstanding 6 years 7 months 21 days
Weighted-Average Remaining Contractual Life (In Years), Exercisable 5 years 9 months 22 days
Weighted-Average Remaining Contractual Life (In Years), Expected to vest 6 years 11 months 26 days
Weighted-Average Exercise Price, Outstanding | $ / shares $ 1.86
Weighted-Average Exercise Price, Exercisable | $ / shares 3.95
Weighted-Average Exercise Price, Expected to vest | $ / shares $ 0.98