Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Schedule of Restricted Stock Award Activity (Details)

v3.19.2
Stock-Based Compensation - Schedule of Restricted Stock Award Activity (Details) - Restricted Stock Units (RSUs) [Member] - shares
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Number of Shares Unvested, beginning balance 60,651 15,544
Number of Shares Unvested, Granted 47,568 40,460
Number of Shares Unvested, Forfeited (13,865)
Number of Shares Unvested, Vested (27,761) (15,544)
Number of Shares Unvested, ending balance 66,593 40,460