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Accrued expenses and other current liabilities
9 Months Ended
Sep. 30, 2021
Disclosure Text Block Supplement [Abstract]  
Accrued expenses and other current liabilities

7. Accrued expenses and other current liabilities

The following summarizes the balances of accrued expenses and other current liabilities ($ in thousands):

 

September 30,
2021

 

December 31,
2020

Payroll and other employee benefits

 

$

370

 

$

155

Professional fees

 

 

1,181

 

 

108

Research and development costs

 

 

664

 

 

Operating lease liabilities, current portion

 

 

2,175

 

 

209

Other accrued expenses

 

 

352

 

 

53

Total accrued expenses and other current liabilities

 

$

4,742

 

$

525