Quarterly report pursuant to Section 13 or 15(d)

SHARE-BASED COMPENSATION - 2015 Stock Plan (Details)

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SHARE-BASED COMPENSATION - 2015 Stock Plan (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 25, 2024
Jun. 24, 2024
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
SHARE BASED COMPENSATION              
Share based compensation expense     $ 1,674 $ 873 $ 3,080 $ 1,519  
Vesting period         4 years    
Employee Stock Option              
SHARE BASED COMPENSATION              
Share based compensation expense     $ 100 $ 200 $ 100 $ 300  
Granted period         10 years    
Stock Plan 2015              
SHARE BASED COMPENSATION              
Increase in number of shares authorized for grant 10,642,857 3,000,000          
Number of shares available for issuance     3,145,826   3,145,826    
2023 Employee Stock Purchase Plan              
SHARE BASED COMPENSATION              
Increase in number of shares authorized for grant         247,789    
Shares of common stock reserved for future issuance under the plan             300,000