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Stock-Based Compensation (Details Narrative) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense $ 206,000 $ 53,000
Shares available for grant 119,873  
Stock option exercised 7,000  
Options expired 0  
Options forfeited 2,000  
Stock options granted 120,000  
Stock options granted, weighted average per share grant date fair value $ 2.32  
Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock option awards, vesting term 3 years  
Stock option awards, contractual term 9 years  
Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock option awards, vesting term 5 years  
Stock option awards, contractual term 10 years  
Employee Stock Option [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense $ 146,000 $ 0
Unrecognized compensation cost related to non-vested stock awards $ 177,000  
Stock option exercised 7,000  
Options expired 0  
Options forfeited 2,000 1,000
Restricted Stock Awards [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock-based compensation expense $ 60,000 $ 53,000
Unrecognized compensation cost related to non-vested stock awards $ 44,000  
Period for recognition of unrecognized compensation cost related to non-vested stock awards 2 years 10 days  
Vesting rights description of stock awards granted The restricted stock awards granted to executive officers vest if the various performance or time-based metrics are met.