BALANCE SHEET DETAILS - CURRENT ASSETS AND CURRENT LIABILITIES (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2024

Dec. 31, 2023

The following table shows the components of inventory (in thousands):


	March 31, 2024			December 31, 2023
Raw materials	$	8,823		$	5,022
Finished goods		2,673			16
Total inventories		11,496			5,038

Allowance for obsolete inventory		(55	)		(4	)

Inventories, net	$	11,441		$	5,034

Inventories, net

The following table shows the components of inventory (in thousands):


	December 31, 2023			December 31, 2022
Raw materials	$	5,022		$	3,377
Finished goods		16			115

Total inventories		5,038			3,492

Allowance for obsolete inventory		(4	)		(211	)

Inventories, net		5,034			3,281

Prepaid expenses and other current assets

The following table shows the components of prepaid e

enses and other current assets (in thousands):

Prepaid expenses and other current assets

The following table shows the components of prepaid expenses and other current assets (in thousands):

Accrued expenses and other current liabilities

The following table shows the components of accrued expenses and other current liabilities (in thousands):


	March 31, 2024			December 31, 2023
Accrued expenses:
Accrued compensation and related benefits	$	3,878		$	4,999
Accrued insurance		435			978
Accrued transaction advisory fees		1,000			1,000
Accrued professional services		72			189
Accrued interest		126			58
Accrued property taxes		314			60
Accrued monitoring fees		373			373
Other		760			147
Other current liabilities:
Income tax payable	$	1,757		$	1,586
Sales tax payable		(413	)		71
Unbilled lost-in-hole revenue		96			76
Deferred revenue		44			1,042

Total accrued expenses and other current liabilities	$	8,442		$	10,579

Accrued expenses and other current liabilities

The following table shows the components of accrued expenses and other current liabilities (in thousands):


	December 31, 2023		December 31, 2022
Accrued expenses:
Accrued compensation and related benefits	$	4,999	$	3,392
Accrued insurance		978		525
Accrued transaction advisory fees		1,000		—
Accrued professional services		189		509
Accrued interest		58		62
Accrued property taxes		60		41
Accrued monitoring fee		373
Other		147		38
Other current liabilities:
Income tax payable	$	1,586	$	1,780
Sales tax payable		71		587
Unbilled lost-in-hole revenue		76		282
Deferred revenue		1,042		83
Total accrued expenses and other current liabilities	$	10,579	$	7,299