Annual report pursuant to Section 13 and 15(d)

Stock-based Compensation (Details Narrative)

v3.24.1
Stock-based Compensation (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 26, 2023
Jan. 27, 2022
Sep. 30, 2022
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Aug. 31, 2023
Jul. 31, 2022
Jan. 01, 2020
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Common stock reserved for future issuance       5,828,230 5,337,105        
Stock option exercised       1,125,000        
Stock-based compensation, unamortized       $ 1,395          
Unamortized stock-based compensation cost, weighted average period of recognition       1 year 6 months 10 days          
Pre-tax intrinsic value of options exercised       $ 196          
Weighted average options grant fair value       $ 0.57 $ 0.40        
Restricted unit value              
Consulting Service [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Restricted unit shares       457,354 385,599        
Restricted unit value       $ 305 $ 260        
Consultants [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Number of common stock shares issued during the period       230,000          
Employee [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Stock option exercised 125,000                
Restricted Stock Units (RSUs) [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Unamortized stock-based compensation cost, weighted average period of recognition       1 year 1 month 24 days          
Stock-based compensation, unamortized       $ 391          
2019 Equity Incentive Plan [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Expiration period       10 years          
Shares early exercised and subject to repurchase       0 0        
Common stock reserved for future issuance       1,843,128     2,000,000 5,000,000  
Common stock reserved for issuance description       The number of shares of common stock reserved for issuance under the ESPP automatically increases on January 1 of each calendar year for 10 years, starting January 1, 2020, and ending on, and including, January 1, 2029, in an amount equal to the lesser of 1% of the total number of shares of capital stock outstanding on December 31st of the prior calendar year, and (ii) 50,000 shares, unless the Board of Directors or the compensation committee of the Board of Directors determines prior to such date that there will be a lesser increase, or no increase. The increase under the ESPP for both 2023 and 2022 was 50,000 shares. During 2022 and 2023, there were no purchases under the ESPP.          
Increase in common stock reserved for issuance as a percentage of total number of shares of capital stock outstanding on the last day of the prior calendar year       5.00%          
Increase In common stock reserved for issuance of number of shares of capital stock outstanding       2,038,734 940,444        
2019 Equity Incentive Plan [Member] | Three Executives [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Number of shares issued   415,023              
Dollar value of bonuses fixed amount           $ 254      
2019 Equity Incentive Plan [Member] | Consultants [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Number of shares issued     385,599 457,354          
Consulting fee value     $ 260 $ 498          
2019 Equity Incentive Plan [Member] | Consultants [Member] | Prepaid Expenses and Other Current Assets [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Allocated share based compensation expense       110          
2019 Equity Incentive Plan [Member] | Consultants [Member] | General and administrative                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Allocated share based compensation expense       $ 388 $ 260        
2019 Equity Incentive Plan [Member] | Granted To Ten Percent Stockholders [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Vesting period       5 years          
2019 Equity Incentive Plan [Member] | Minimum [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Vesting period       2 years          
2019 Equity Incentive Plan [Member] | Minimum [Member] | Stock Appreciation Rights (SARs) [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Exercise price options granted from fair value common stock, percent       100.00%          
2019 Equity Incentive Plan [Member] | Minimum [Member] | Granted To Ten Percent Stockholders [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Exercise price options granted from fair value common stock, percent       110.00%          
2019 Equity Incentive Plan [Member] | Maximum [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Vesting period       4 years          
2019 Employee Stock Purchase Plan [Member]                  
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]                  
Common stock reserved for future issuance       158,337          
Common stock reserved for issuance description       the number of shares of common stock reserved for issuance under the 2019 Option Plan automatically increases on January 1 of each calendar year for 10 years, starting January 1, 2020 and ending on and including January 1, 2029, in an amount equal to 5% of the total number of shares of capital stock outstanding          
Increase in common stock reserved for issuance as a percentage of total number of shares of capital stock outstanding on the last day of the prior calendar year                 1.00%
Increase In common stock reserved for issuance of number of shares of capital stock outstanding       50,000 50,000        
Number of shares issued       0 0