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Stock Based Compensation (Additional Information) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation $ 534 $ 346 $ 935 $ 669
Unrecognized compensation expense related to unvested options 3,148   $ 3,148  
Remaining amortization period     2 years 4 months 24 days  
Stock Option        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted-average grant date fair value of options granted during the period     $ 1.31 $ 2.06
Aggregate intrinsic value of options exercised during the period     $ 0 $ 7
Restricted stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Remaining amortization period     2 years 8 months 12 days  
Unrecognized compensation expense related to unvested restricted stock units $ 1,619   $ 1,619