Accrued Expenses and Other Current Liabilities and Other Liabilities

12 Months Ended

Dec. 31, 2021

Accrued Expenses and Other Current Liabilities and Other Liabilities

Accrued expenses and other current liabilities consist of:


	As of December 31,
(in thousands)	2021		2020
Patient prepayments, deposits, and refunds payable	$	26,475	$	27,195
Insurance and self-insurance accruals	8,943		7,651
Accrued sales taxes and other taxes	7,803		9,863
Derivative liability	6,425		7,686
Accrued professional fees	750		1,016
Accrued interest payable	707		440
Other current liabilities	9,296		9,010
Total	$	60,399	$	62,861

Patient prepayment deposits and refunds includes funds received for devices not yet delivered to a patient and refunds for overpayments. 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. 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 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)	2021		2020
Supplemental executive retirement plan obligations	$	20,779	$	21,503
Long-term insurance accruals	7,112		7,326
Derivative liability	4,664		14,388
Deferred payroll taxes	—		5,918
Unrecognized tax benefits	—		5,465
Other	2,285		1,993
Total	$	34,840	$	56,593

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.” Deferred payroll taxes represents deferred liabilities associated with the CARES Act. 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. 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.