Annual report [Section 13 and 15(d), not S-K Item 405]

Stock-based Compensation (Details Narrative)

v3.26.1
Stock-based Compensation (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Jun. 20, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Common stock reserved for future issuance 62,979 65,190  
Options, Outstanding, Beginning balance 41,874 28,593  
Weighted average exercise price per share, Outstanding, Beginning balance $ 112.14 $ 167.04  
Outstanding, Aggregate Intrinsic Value, Beginning Balance [1]  
Options, Granted 14,389  
Weighted average exercise price per share, Granted $ 103.68  
Options, Exercised  
Options exercised, Weighted average exercise price per share  
Options, Forfeited and Expired (6,991) (1,108)  
Weighted average exercise price per share, Forfeited and Expired $ 119.47 $ 1,358.46  
Options, Outstanding, Beginning balance 34,883 41,874  
Weighted average exercise price per share, Outstanding, Beginning balance $ 110.67 $ 112.14  
Outstanding, Weighted average remaining contractual life (in years) 7 years 1 month 24 days    
Outstanding, Aggregate Intrinsic Value, Beginning Balance [1]  
Options, Vested and expected to vest 34,883    
Weighted average exercise price per share, Vested and expected to vest $ 110.67    
Weighted average remaining contractual life, Vested and expected to vest 7 years 1 month 24 days    
Aggregate Intrinsic Value, Vested and expected to vest [1]    
Option, Exercisable 26,758    
Weighted average exercise price per share, Exercisable $ 113.74    
Weighted average remaining contractual life (in years), Exercisable 6 years 11 months 1 day    
Aggregate Intrinsic Value, Exercisable [1]    
Pre-tax intrinsic value of options exercised 0    
Stock-based compensation, unamortized $ 499    
Unamortized stock-based compensation cost, weighted average period of recognition 1 year 3 months    
Weighted average options grant fair value   $ 103.68  
2019 Equity Incentive Plan      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period 10 years    
Shares early exercised and subject to repurchase   0  
Common stock reserved for future issuance     16,666
Common stock reserved for issuance description Additionally, 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 of number of shares of capital stock outstanding 13,844 11,967  
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%    
2019 Equity Incentive Plan | Granted To Ten Percent Stockholders      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 5 years    
2019 Equity Incentive Plan | Minimum [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period 2 years    
2019 Equity Incentive Plan | Minimum [Member] | Stock Appreciation Rights (SARs) [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent 100.00%    
2019 Equity Incentive Plan | Minimum [Member] | Granted To Ten Percent Stockholders      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent 110.00%    
2019 Equity Incentive Plan | Maximum [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Award 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 1,434    
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 2025 and 2024 was 277 shares, as adjusted for the Reverse Stock Split. During 2025 and 2024, there were no purchases under the ESPP. 1  
Increase In common stock reserved for issuance of number of shares of capital stock outstanding 277 277  
[1] The intrinsic value is calculated as the difference between the exercise price and the fair value of the common stock on the balance sheet date.