Quarterly report pursuant to Section 13 or 15(d)

Stock Based Awards (Details Narrative)

v3.24.1.1.u2
Stock Based Awards (Details Narrative) - USD ($)
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Jun. 16, 2021
Jun. 15, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Shares reserved for issuance 833,000 847,000    
Shares available for grant 275,000 484,000    
Equity-based compensation expense $ 157,000 $ 291,000    
Unrecognized compensation expense $ 560,000      
Unrecognized compensation expense, weighted average period 10 months 24 days      
Options vested or expected to vest, outstanding shares 558,000      
Options vested or expected to vest, aggregate intrinsic value $ 0      
Options vested or expected to vest, weighted average exercise price $ 10.38      
Options vested or expected to vest, weighted average remaining contractual term 7 years 11 months 19 days      
Options vested and exercisable, outstanding shares 294,000      
Options vested and exercisable, aggregate intrinsic value $ 0      
Options vested and exercisable, weighted-average exercise price $ 16.70      
Options vested and exercisable, weighted average remaining contractual term 6 years 11 months 23 days      
Common stock closing price per share $ 1.40      
2015 Equity Incentive Plan [Member]        
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]        
Shares reserved for issuance 833,333      
Shares maximum term 10 years      
Common stock authorized for issuance     833,333 416,667
Shares available for grant 275,000