v3.26.1
Stock-Based Compensation (Tables)
 3 Months Ended
Mar. 31, 2026
Stock-Based Compensation [Abstract]  
Schedule of Fair Value of the Company’s Share-Based Payment Awards The following assumptions were used in the fair-value method calculations:
   Option Grants 
   Three Months Ended
March 31,		 
   2026   2025 
Interest rate (risk-free rate)   3.70% - 3.75%   4.34%
Expected volatility   120% - 121%   119%
Expected term   5 years     4.38 years 
Expected dividend   0%   0%
Schedule of Shares Available for Grant Under the Plans and Options Outstanding

The following table summarizes the activity in the shares available for grant under the Plans during the three months ended March 31, 2026 and options outstanding as of March 31, 2026 (in thousands, except exercise price):

 

       Options Outstanding 
           Weighted 
   Shares
       Average
 
   Available
   Number of
   Exercise
 
   for Grant   Shares   Prices 
Balance as of December 31, 2025   1,189    1,347   $3.34 
RSUs granted   (200)   
—
    
—
 
Options granted   (893)   893   $0.88 
Options exercised   
—
    (18)  $0.78 
Balance as of March 31, 2026   96    2,222   $2.33 
Schedule of Significant Ranges of Outstanding and Exercisable Options

The following table summarizes significant ranges of outstanding and exercisable options as of March 31, 2026 (in thousands, except contractual life and exercise price):

 

   Options Outstanding   Options Exercisable 
       Weighted                 
       Average                 
       Remaining   Weighted       Weighted     
       Contractual   Average       Average   Aggregate 
   Number   Life   Exercise   Number   Exercise   Intrinsic 
Range of Exercise Price  Outstanding   (in Years)   Price   Exercisable   Price   value 
$0.00 - $1.00   2,192    9.30   $0.82    442   $0.79   $99 
$1.01 - $62.90   2    3.64   $62.80    2   $62.80   $
—
 
$62.81 - $599.60   28    4.77   $108.50    28   $108.50   $
—
 
$0.00 - $599.60   2,222    9.24   $2.33    472   $7.86   $99 
Schedule of RSU Activity Under Plans

A summary of RSU activity under the 2019 Plan is presented below (in thousands, except for fair value):

 

       Weighted 
       Average 
   Number of   Grant-Date 
   Shares   Fair Value 
Non-vested shares as of December 31, 2025   
—
    
—
 
Granted   200   $0.94 
Non-vested shares as of March 31, 2026   200   $0.94