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Stock-Based Compensation (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock based compensation $ 220
Stock Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based payment award, options, outstanding, number  
Stock option, weighted average exercise price  
Employee and Director [Member] | Selling General and Administrative Expenses [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock based compensation $ 0 $ 220
Stock option expired term Jan. 31, 2020