XML 34 R25.htm IDEA: XBRL DOCUMENT v3.23.3
Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2023
Equity [Abstract]  
Summary of Stock Option Activity

The following table summarizes stock option activity during the nine months ended September 30, 2023:

 

 

 

Outstanding Options

 

 

Weighted-
Average
Exercise Price
Per Share

 

 

Weighted
Average
Remaining
Contractual
Term
(in years)

 

 

Aggregate
Intrinsic Value
(in thousands)
(a)

 

Balance as of December 31, 2022

 

 

5,102,501

 

 

$

4.11

 

 

 

 

 

 

 

Granted

 

 

2,433,300

 

 

$

0.99

 

 

 

 

 

 

 

Exercised

 

 

-

 

 

$

-

 

 

 

 

 

 

 

Forfeitures and cancellations

 

 

(367,498

)

 

$

2.43

 

 

 

 

 

 

 

Balance as of September 30, 2023 (b)

 

 

7,168,303

 

 

$

0.91

 

 

 

7.78

 

 

$

29

 

Options exercisable as of September 30, 2023 (b)

 

 

3,574,240

 

 

$

1.05

 

 

 

6.72

 

 

$

4

 

(a) Aggregate intrinsic value in this table was calculated as the positive difference, if any, between the closing price per share of the Company’s common stock on September 29, 2023 of $0.74 and the price of the underlying options.

 

(b) The weighted-average exercise price per share of the options outstanding and exercisable as of September 30, 2023 includes the impact of the repricing of 6,628,589 options on August 14, 2023 at $0.785 per share.

Summary of Non-cash Stock-based Compensation Expense

The non-cash stock-based compensation expense for all stock awards, net of forfeitures recognized as they occur, that was recognized in the condensed consolidated statements of operations is as follows (in thousands):

 

 

 

Three Months Ended
September 30,

 

 

Nine Months Ended
September 30,

 

 

 

2023

 

 

2022

 

 

2023

 

 

2022

 

Research and development

 

$

366

 

 

$

469

 

 

$

1,153

 

 

$

1,411

 

General and administrative

 

 

613

 

 

 

720

 

 

 

1,798

 

 

 

2,378

 

Total

 

$

979

 

 

$

1,189

 

 

$

2,951

 

 

$

3,789

 

Summary of Reserved Shares of Common Stock for Future Issuance

Common stock reserved for future issuance is as follows:

 

 

 

 

 

 

 

 

 

 

September 30,
2023

 

 

December 31,
2022

 

Stock options issued and outstanding

 

 

7,168,303

 

 

 

5,102,501

 

Warrants for common stock

 

 

1,366,141

 

 

 

1,366,141

 

Awards available under the 2018 Equity Incentive Plan

 

 

439,236

 

 

 

784,331

 

Employee stock purchase plan

 

 

1,114,887

 

 

 

925,963

 

Total

 

 

10,088,567

 

 

 

8,178,936