v3.26.1
Stockholders' Equity (Tables)
 6 Months Ended
Jun. 30, 2026
Equity [Abstract]  
Schedule of Stock-Based Compensation Expense

Stock-based compensation expense recognized for all equity awards under the 2020 Plan for the three and six months ended June 30, 2026 and 2025 has been reported in the condensed consolidated statements of operations and comprehensive income (loss) as follows (in thousands):

 

 

 

Three Months Ended
June 30,

 

 

Six Months Ended
June 30,

 

 

 

2026

 

 

2025

 

 

2026

 

 

2025

 

Research and development

 

$

135

 

 

$

567

 

 

$

457

 

 

$

1,342

 

General and administrative

 

 

484

 

 

 

810

 

 

 

1,118

 

 

 

1,680

 

Total

 

$

619

 

 

$

1,377

 

 

$

1,575

 

 

$

3,022

 
Summary of Restricted Stock Units

The following table summarizes RSU activity under the 2020 Plan for the six months ended June 30, 2026:

 

 

 

Number of
Shares

 

 

Weighted - Average
Grant Date
Fair Value

 

Outstanding at December 31, 2025

 

 

49,254

 

 

$

58.95

 

Granted

 

 

30,120

 

 

$

8.57

 

Vested

 

 

(12,939

)

 

$

43.97

 

Forfeited

 

 

(9,031

)

 

$

54.02

 

Outstanding at June 30, 2026

 

 

57,404

 

 

$

36.67

 
Summary of Stock Option Activity

The following table summarizes stock option activity under the 2020 Plan for the six months ended June 30, 2026:

 

 

 

Number of
Options

 

 

Weighted - Average
Exercise
Price Per
Share

 

 

Weighted -Average
Remaining
Contractual
Term
(In Years)

 

 

Aggregate
Intrinsic
Value

 

Balance at December 31, 2025

 

 

117,703

 

 

$

393.71

 

 

 

6.43

 

 

$

—

 

Forfeited

 

 

(3,417

)

 

$

198.71

 

 

 

 

 

 

 

Expired

 

 

(227

)

 

$

785.66

 

 

 

 

 

 

 

Balance at June 30, 2026

 

 

114,059

 

 

$

388.45

 

 

 

5.07

 

 

$

—

 

Vested and expected to vest at June 30, 2026

 

 

114,059

 

 

$

388.45

 

 

 

5.07

 

 

$

—

 

Exercisable at June 30, 2026

 

 

105,840

 

 

$

404.00

 

 

 

4.94

 

 

$

—

 
Schedule of Common Stock Reserved for Future Issuance

Common stock reserved for future issuance are as follows in common equivalent shares:

 

 

 

June 30,
2026

 

 

December 31,
2025

 

Warrants for the purchase of common stock

 

 

193,581

 

 

 

193,581

 

Common stock options and restricted stock units issued and outstanding

 

 

171,463

 

 

 

166,257

 

Awards available for future issuance under the 2020 Plan

 

 

39,200

 

 

 

26,013

 

Awards available for future issuance under the ESPP

 

 

59,278

 

 

 

43,786

 

Shares available for future conversions of PPAs

 

 

—

 

 

 

136,923

 

Total common stock reserved for future issuance

 

 

463,522

 

 

 

566,560