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Accrued Expenses and Other Current Liabilities (Tables)
12 Months Ended
Dec. 31, 2022
Payables and Accruals [Abstract]  
Schedule of Accrued Expenses and Other Current Liabilities

Accrued expenses and other current liabilities consisted of the following at December 31, 2022 and 2021 (in thousands):

 

 

 

As of December 31,

 

 

 

2022

 

 

2021

 

Salaries, wages and benefits

 

$

2,357

 

 

$

2,983

 

Research and development

 

 

3,855

 

 

 

1,496

 

Other construction in progress

 

 

1,796

 

 

 

1,260

 

Deferred other income

 

 

2,499

 

 

 

-

 

Others

 

 

2,638

 

 

 

1,730

 

Total accrued expenses and other current liabilities

 

$

13,145

 

 

$

7,469