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Accrued Expenses and Other Non-current Liabilities
 12 Months Ended
Dec. 31, 2023
Payables and Accruals [Abstract]  
Accrued Expenses and Other Non-current Liabilities
11. ACCRUED EXPENSES AND OTHER NON-CURRENT LIABILITIES
 
Accrued expenses consist of the following (in thousands):
 December 31,
 20232022
Accrued compensation and benefits$4,307 $4,967 
Accrued property and other taxes5,586 3,293 
Accrued customer liabilities and deposits4,284 5,233 
Accrued professional and other service provider fees2,010 1,190 
Accrued inventory1,210 874 
Short-term lease liability3,004 2,747 
Accrued interest3,942 1,291 
Other accrued expenses2,615 2,959 
Total accrued expenses$26,958 $22,554 

Accrued interest includes interest associated with the cash portion of the 13% Notes due in March 2024. Other accrued expenses include primarily vendor services, warranty reserve and occupancy costs.
  
Other non-current liabilities consist of the following (in thousands):  
 December 31,
 20232022
Asset retirement obligations (Note 1)$2,951 $2,953 
Accrued interest7,429 — 
Compound embedded derivative with the 2019 Facility Agreement (Note 8 and Note 9)— 122 
Deferred tax liability (Note 13)329 322 
Foreign tax contingencies503 530 
Other53 68 
Total other non-current liabilities$11,265 $3,995 

Accrued interest includes interest associated with the PIK portion of the 13% Notes and the 2023 Funding Agreement. Foreign tax contingencies reflect primarily amounts owed by the Company's Brazilian subsidiary pursuant to refinancing programs in country.