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Accrued Expenses and Other Current Liabilities
 6 Months Ended
Jun. 30, 2020
Payables and Accruals [Abstract]  
Accrued Expenses and Other Current Liabilities

4. Accrued Expenses and Other Current Liabilities

 

Accrued expenses and other current liabilities consisted of the following:

 

    At June 30, 2020     At December 31, 2019  
Accrued vacation   $ 122     $ 42  
Accrued wages and incentive     476       527  
Accrued clinical & consulting     2,700       1,820  
Accrued legal & patent     70       85  
Accrued other expenses     77       40  
Total accrued expenses   $ 3,445     $ 2,514