Accrued Expenses and Other Current Liabilities and Other Liabilities

12 Months Ended

Dec. 31, 2020

Accrued Expenses and Other Current Liabilities and Other Liabilities

Accrued Expenses and Other Current Liabilities and Other Liabilities

Note J — Accrued Expenses and Other Current Liabilities and Other Liabilities

Accrued expenses and other current liabilities consist of:

	As of December 31,
(in thousands)	2020		2019
Patient prepayments, deposits, and refunds payable	$	27,195	$	24,183
Accrued sales taxes and other taxes		9,863		8,543
Derivative liability		7,686		3,516
Insurance and self-insurance accruals		7,651		8,033
Accrued professional fees		1,016		2,533
Accrued interest payable		440		266
Other current liabilities		9,010		8,751
Total	$	62,861	$	55,825

Patient prepayment deposits and refunds includes funds received for devices not yet delivered to a patient and refunds for overpayments.  Taxes primarily includes accrued sales, property, and franchise tax liabilities. Derivative liability relates to our cash flow hedge; refer to Note O - “Derivative Financial Instruments.”  Accrued insurance primarily relates to accruals for estimated losses for certain self-insured risks including property, professional and general liability, and employee health care costs.  Accrued professional fees primarily relate to accruals for professional accounting and legal fees.  Accrued interest payable relates to interest on our debt obligation.  Other current liabilities are primarily related to accruals for deferred revenue and warranty liabilities.

Other liabilities consist of:

	As of December 31,
(in thousands)	2020		2019
Supplemental executive retirement plan obligations	$	21,503	$	20,851
Derivative liability		14,388		9,821
Long-term insurance accruals		7,326		7,424
Deferred payroll taxes		5,918		—
Unrecognized tax benefits		5,465		5,296
Other		1,993		2,412
Total	$	56,593	$	45,804

Supplemental executive retirement plan obligations include obligations due on both the Defined Benefit Supplemental Executive Retirement Plan (“DB SERP”) and DC SERP.  See Note Q - “Employee Benefits” within these consolidated financial statements.  Derivative liability relates to our cash flow hedge; refer to Note O - “Derivative Financial Instruments.”  Unrecognized tax benefits represent the difference between tax positions that we expect to take, or take on our income tax returns and the benefit we recognize on our financial statements.  Deferred payroll taxes represents deferred liabilities associated with the CARES Act.  Other includes asset retirement obligations, which is the liability to return a leased building to the state before it was occupied, fair market value lease differential liability, and other long-term accrued expenses.