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Stock Options - Additional Information (Details) - USD ($)
1 Months Ended 9 Months Ended
Feb. 29, 2016
May 31, 2006
Sep. 30, 2020
Dec. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Expected term     5 years 7 months 17 days  
Restricted Stock Units        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Restricted stock units outstanding     79,000 26,000
Restricted stock units vested     0  
2006 Plan        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Options granted termination period   10 years    
2016 Plan        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Options granted termination period 10 years      
Additional stock awards granted 0      
Net of estimated forfeitures percentage     10.00%  
Unrecognized remaining stock based compensation balance     $ 500,000  
Amortization period     3 years  
Stock Options Outside 2006 Plan        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Unrecognized remaining stock based compensation balance     $ 0  
Stock options issued     205,199  
Expected term     5 years  
Options outstanding and exercisable     173,233  
Weighted average exercise price     $ 11.11  
Weighted average remaining life     6 years  
Maximum | 2006 Plan        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Number of shares authorized   831,389    
Maximum | 2016 Plan        
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Number of shares authorized 1,431,964