Annual report pursuant to Section 13 and 15(d)

Stock Based Awards (Details Narrative)

v3.24.1
Stock Based Awards (Details Narrative) - USD ($)
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Shares reserved for issuance 844,000 854,000
Shares available for grant 275,000 484,000
Weighted-average exercise price of options vested and exercisable $ 17.17  
Weighted-average remaining contractual term 8 years 2 months 12 days  
Share-based compensation exepenses $ 801,000 $ 855,000
Unrecognized compensation expense $ 717,000  
Stock-based compensation weighted average period 1 year  
Number of options outstanding vested or expected to vest 558,000  
Options vested or expected to vest, aggregate intrinsic value $ 0.0  
Weighted average exercise price $ 10.38  
Number of vested and exercisable options, outstanding shares 279,000  
Aggregate intrinsic value $ 0.0  
Weighted-average remaining contractual term of options vested and exercisable 7 years 2 months 12 days  
Shares issued price per share $ 1.72  
Officers Directors Employees and Consultants [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Stock options granted 209,216 158,012
Weighted-average exercise price of options vested and exercisable $ 2.67 $ 5.04
Weighted-average remaining contractual term 10 years 10 years
Fair value of stock options $ 470,000 $ 633,000
2007 Equity Incentive Plan [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Stock options granted   424
2015 Equity Incentive Plan [Member]    
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Shares reserved for issuance 833,333  
Shares vesting period 10 years  
Vesting description The options generally vest 25% after one year, with the remaining balance vesting monthly over the following three years.  
Shares available for grant 276,000,000