v3.26.3
Stock Award Plans and Stock-Based Compensation (Tables)
 6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock Options Granted
See below for a summary of the stock options granted under the 2011, 2017 and 2018 plans:
Number of
Options 		Weighted
Average
Exercise
Price		Weighted
Average
Remaining
Life (Years)		Aggregate
Intrinsic
Value
(in millions)
Outstanding at January 1, 202615,941,550$2.80 9.8$— 
Granted5,017,127$1.79 
Forfeitures(817,221)$10.20 
Exercises(37,500)$2.00 
Outstanding at June 30, 202620,103,956$2.25 9.2$3.4 
Exercisable at June 30, 202610,703,597$2.45 9.0$1.7 
Schedule of Assumptions in Estimating Fair Values of Options Awarded
The following assumptions were used in estimating the fair values of options awarded during the six months ended June 30, 2026:
Fair value of common stock
$1.43 - $2.35
Exercise price
$1.43 - $2.35
Expected term
5 – 7 years
Volatility
134.52% - 153.30%
Risk-free interest rate
3.51% - 4.43%
Dividend yield—%
Schedule of Stock-Based Compensation Charges
Stock-based compensation charges for the periods indicated below (in thousands) are as follows:
Three Months Ended
June 30,		Six Months Ended June 30,
2026202520262025
Research and development$— $147 $205 $294 
Sales and marketing83 — 465 — 
General and administrative3,691 520 7,779 785 
Total$3,774 $667 $8,449 $1,079