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Accrued Expenses
3 Months Ended
Mar. 31, 2020
Other Income and Expenses [Abstract]  
Accrued Expenses Accrued Expenses
Accrued expenses represent various obligations of the Company including certain operating expenses and taxes payable.

As of March 31, 2020 and December 31, 2019, the largest components of accrued expenses were:
March 31, 2020December 31, 2019
Interest expense$2,998  $1,539  
Payroll2,127  1,789  
Professional fees2,140  1,881  
Wholesaler fees687  747  
Medicaid and Medicare rebates863  987  
Rebates606  774  
Royalties85  377  
Clinical studies334  334  
Income Tax19  20  
Capital expenditures77  23  
Inventory and Supplies258  250  
Other200  564  
$10,394  $9,285