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Accrued Expenses
3 Months Ended
Mar. 31, 2021
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, 2021 and December 31, 2020, the largest components of accrued expenses were:

March 31, 2021December 31, 2020
Payroll$1,651 $2,872 
Professional Fees1,602 1,363 
Medicaid and Medicare Rebates1,485 1,616 
Inventory and Supplies1,333 3,055 
Rebates1,074 1,412 
Wholesaler Fees474 477 
Royalties258 302 
Interest Expense208 2,898 
Other678 718 
$8,763 14,713