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Accrued Expenses
12 Months Ended
Dec. 31, 2019
Payables and Accruals [Abstract]  
Accrued Expenses
Accrued Expenses
Accrued expenses consisted of the following:
 
Year Ended December 31,
 
2019
 
2018
Accrued professional services
$
5,794

 
$
931

Accrued payroll and related benefits
5,229

 
2,577

Accrued volume-based rebate and coupon liability
1,709

 

Other accrued expenses
1,228

 
210

 
$
13,960

 
$
3,718