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BALANCE SHEET DETAILS - CURRENT ASSETS AND CURRENT LIABILITIES - Summary of Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Accrued expenses:      
Accrued compensation and related benefits $ 3,878 $ 4,999 $ 3,392
Accrued insurance 435 978 525
Accrued transaction advisory fees 1,000 1,000 0
Accrued professional services 72 189 509
Accrued interest 126 58 62
Accrued property taxes 314 60 41
Accrued monitoring fees 373 373  
Other 760 147 38
Other current liabilities:      
Income tax payable 1,757 1,586 1,780
Sales tax payable (413) 71 587
Unbilled lost-in-hole revenue 96 76 282
Deferred revenue 44 1,042 83
Total accrued expenses and other current liabilities $ 8,442 $ 10,579 $ 7,299