Quarterly report [Sections 13 or 15(d)]

Stock-Based Compensation (Tables)

v3.25.1
Stock-Based Compensation (Tables)
3 Months Ended
Mar. 31, 2025
Share-Based Payment Arrangement [Abstract]  
Schedule of Activity Under the Plans
A summary of activity under the various stock-based plans for the three months ended March 31, 2025 is as follows:
Shares
Underlying
Options
Weighted
Average
Exercise
Price
Weighted
Average
Remaining
Contractual
Term
(Years)
Aggregate
Intrinsic
Value
Outstanding at December 31, 2024 102  $ 2,251,627  5.6 $ — 
Granted —  —  — 
Forfeited —  —  — 
Outstanding at March 31, 2025 102  $ 2,251,627  5.3 $ — 
Exercisable at March 31, 2025 93  $ 2,224,419  5.0 $ — 
Schedule of Determining the Fair Value of Stock Options Granted
The following table presents the weighted-average inputs used for the valuation of options granted, as per the Black-Scholes fair value model for the three months ended March 31, 2024:
Three Months Ended
March 31, 2024
Dividend yield —%
Expected price volatility 95.7%
Risk free interest rate 4.9%
Expected term 0.8 years
Schedule of Restricted Stock Activity
A summary of the Company’s restricted stock activity and related information for the three months ended March 31, 2025 is as follows:
Number of
Shares
Weighted Average
Grant-Date
Fair Value
Unvested at December 31, 2024 7,425 $ 367 
Granted —  — 
Vested (275) $ 2,499 
Cancelled
—  — 
Unvested at March 31, 2025 7,150 $ 285 
Schedule of Stock-Based Compensation Expense Recognized
The total stock-based compensation expense recognized, including stock-based compensation related to warrants issued to nonemployees (See Note 8 — Warrants), was as follows (in thousands):
Three Months Ended March 31, 2025 Three Months Ended
March 31, 2024
   
Research and development expenses $ $ 30 
Selling, general and administrative expenses 2,107  244 
Total stock-based compensation $ 2,114  $ 274