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Stockholders Equity (Details)
$ / shares in Units, $ in Thousands
12 Months Ended
Oct. 01, 2021
USD ($)
$ / shares
shares
Jan. 21, 2021
USD ($)
$ / shares
shares
Apr. 16, 2020
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
Vote / shares
Dec. 31, 2020
shares
Voting Rights          
Risk free interest rate         1.51%
Expected stock price volatility         77.40%
Expected life of options (years)       5 years 9 months 18 days 5 years 9 months 18 days
Registered Offering          
Voting Rights          
Shares issued (in shares) | shares     750,000    
Offering shares (Per share) | $ / shares     $ 10    
Gross proceeds     $ 7,500    
Cash commission (Percent)     7.00%    
Warrants to purchase shares of common stock | shares     37,500    
Warrants exercise price | $ / shares     $ 12.50    
Fair market value of warrant     $ 289    
Risk free interest rate     0.40%    
Expected stock price volatility     78.00%    
Expected life of options (years)     5 years    
Expected dividend yield     0.00%    
Issuance costs     $ 1,000    
Cash commissions     500    
Legal and other fees     200    
Placement agents warrants     $ 300    
October 2021 Registered Direct Offering          
Voting Rights          
Shares issued (in shares) | shares 4,307,693        
Offering shares (Per share) | $ / shares $ 3.25        
Gross proceeds $ 14,000        
Warrants to purchase shares of common stock | shares 4,307,693        
Warrants exercise price | $ / shares $ 3.75        
Period from issuance date the warrants become exercisable 6 months        
Warrants term 3 years 6 months        
Fair market value of warrant $ 4,100        
Relative fair value attributable to the stock 9,800        
Relative fair value attributable to the warrants $ 4,200        
Risk free interest rate 0.50%        
Expected stock price volatility 80.00%        
Expected life of options (years) 3 years 6 months        
Expected dividend yield 0.00%        
Issuance costs $ 1,200        
Cash commissions 1,000        
Legal and other fees $ 200        
2021 Private placement          
Voting Rights          
Shares issued (in shares) | shares   2,500,000      
Offering shares (Per share) | $ / shares   $ 4.00      
Gross proceeds   $ 10,000      
Warrants to purchase shares of common stock | shares   2,500,000      
Warrants exercise price | $ / shares   $ 6.03      
Fair market value of warrant   $ 7,500      
Relative fair value attributable to the stock   6,300      
Relative fair value attributable to the warrants   $ 3,700      
Risk free interest rate   0.50%      
Expected stock price volatility   76.00%      
Expected life of options (years)   5 years 6 months      
Expected dividend yield   0.00%      
Issuance costs   $ 900      
Cash commissions   700      
Legal and other fees   $ 200      
Common Stock          
Common Stock          
Common stock, vote per share | Vote / shares       1  
Dividends Rights          
Dividends declared       $ 0  
Voting Rights          
Common stock, vote per share | Vote / shares       1  
Shares issued (in shares) | shares         750,000
Minimum          
Voting Rights          
Risk free interest rate       0.93%  
Expected stock price volatility       79.00%  
Minimum | 2021 Private placement          
Voting Rights          
Expected life of options (years)   5 years 6 months      
Maximum          
Voting Rights          
Risk free interest rate       1.33%  
Expected stock price volatility       80.40%