Quarterly report pursuant to Section 13 or 15(d)

Stock Options, Warrants and Restricted Common Stock (Narrative) (Details)

v3.21.1
Stock Options, Warrants and Restricted Common Stock (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Unrecognized compensation cost $ 2,500  
Unrecognized compensation cost, period for recognition 6 months  
Fair value of restricted stock granted $ 3,200  
Restricted stock awards under 2019 Equity Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Total stock-based compensation $ 936 $ 1,914
Stock Incentive Plan [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options outstanding 12,000  
Weighted average exercise price $ 4.09  
Weighted average remaining contractual term 2 years 6 months  
Intrinsic value $ 600