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Stock-Based Compensation
9 Months Ended
Sep. 30, 2022
Stock-Based Compensation  
Stock-Based Compensation

14.         Stock-Based Compensation

The Company has adopted various stock compensation plans for executive, scientific and administrative personnel of the Company, as well as outside directors and consultants.

The stock-based compensation expenses are recorded as components of research and development expense, sales and marketing expense, and general and administrative expense, as follows:

Nine Months Ended September 30, 

(In thousands)

    

2022

    

2021

 

Research and development

$

504

$

251

Sales and Marketing

183

212

General and administrative

 

4,904

 

4,596

Stock-based compensation expense

$

5,591

$

5,059