v3.26.3
STOCKHOLDERS' EQUITY (Tables)
9 Months Ended
Sep. 30, 2026
Equity [Abstract]  
Schedule of Share-based Compensation
Share-based compensation is comprised of the Company's stock options, restricted stock awards, restricted stock units and shares issued pursuant to the employee stock purchase plan, and is classified in the condensed
consolidated statements of operations and comprehensive (loss) income for the three and nine months ended September 30, 2026 and 2025 was as follows:
FOR THE THREE MONTHS ENDED
SEPTEMBER 30,
 FOR THE NINE MONTHS ENDED
SEPTEMBER 30,
(in thousands)2026202520262025
Research and development$45 $500 $264 $1,928 
General and administrative360 547 1,178 2,612 
$405 $1,047 $1,442 $4,540 
Schedule of Stock Option Activity
The following table summarizes stock option activity for the nine months ended September 30, 2026:
Stock OptionsNumber of Option Shares Weighted-Average
Exercise Price
Weighted-Average
Contractual Term
(in years)
Aggregate Intrinsic Value
(in thousands)
Outstanding stock options at December 31, 2025628,280$43.42 7.6$89
Granted32,360$4.45 
Forfeited(11,404)$15.70 
Expired(13,317)$93.52 
Exercised(38,298)$6.30 
Outstanding stock options at September 30, 2026597,621$43.10 2.9$2,438
Exercisable stock options at September 30, 2026456,886$52.10 2.4$1,361
Schedule of Assumptions of Fair Value of Stock Option Pricing Granted
The fair value of the stock options granted during the nine months ended September 30, 2026 and 2025 was determined using the Black-Scholes option pricing model with the following assumptions:
 FOR THE NINE MONTHS ENDED
SEPTEMBER 30,
20262025
Expected volatility109.21%
91.88% - 119.61%
Expected term (years)5.25
5.27 - 6.02
Risk free interest rate3.68%
4.03% - 4.39%
Expected dividend yield—
—
Exercise price$4.45
$2.40 - $7.60
Schedule of Nonvested Restricted Common Stock Units
A summary of the status of the Company's nonvested restricted common stock units at September 30, 2026 and changes during the nine months ended September 30, 2026 was as follows:
Restricted Stock UnitsSharesWeighted-Average Grant Date Fair
Value Per Share
Nonvested restricted stock units at December 31, 202538,603$9.60 
Granted5,000$4.45 
Forfeited(4,150)$2.40 
Vested(8,769)$9.38 
Nonvested restricted stock units at September 30, 202630,684$9.79