Liabilities (Tables)

9 Months Ended

Sep. 30, 2024

Liabilities

Schedule of accrued expenses and other current liabilities

	September 30,		December 31,
	2024		2023
	(in thousands)
Payroll and related benefits	$	30,475	$	28,321
Warranty		8,952		8,864
Operating lease liabilities		3,602		4,025
Interest		2,837		1,149
Professional fees		1,953		1,834
Income, sales, use, and other taxes		5,422		1,825
Contingent consideration		—		1,814
Other		3,876		9,792
Total	$	57,117	$	57,624

Schedule of changes in product warranty reserves

		(in thousands)
Balance - December 31, 2023	$	8,864
Warranties issued		4,526
Consumption of reserves		(4,928)
Changes in estimate		490
Balance - September 30, 2024	$	8,952

Schedule of carrying value of Convertible Senior Notes

		September 30, 2024						December 31, 2023
		Principal Amount		Unamortized transaction costs		Net carrying value		Principal Amount		Unamortized transaction costs		Net carrying value
		(in thousands)
2025 Notes	$	26,500	$	(27)	$	26,473	$	26,500	$	(102)	$	26,398
2027 Notes		25,000		(247)		24,753		25,000		(313)		24,687
2029 Notes		230,000		(5,351)		224,649		230,000		(6,144)		223,856
Net carrying value	$	281,500	$	(5,625)	$	275,875	$	281,500	$	(6,559)	$	274,941

Schedule of interest expense related to Convertible Senior Notes

	Three months ended September 30,				Nine months ended September 30,
	2024		2023		2024		2023
	(in thousands)
Cash Interest Expense
Coupon interest expense - 2023 Notes	$	—	$	—	$	—	$	23
Coupon interest expense - 2025 Notes		232		232		696		2,128
Coupon interest expense - 2027 Notes		234		234		702		2,151
Coupon interest expense - 2029 Notes		1,653		1,653		4,959		2,406
Non-cash Interest Expense
Amortization of debt discount/transaction costs- 2023 Notes		—		—		—		4
Amortization of debt discount/transaction costs- 2025 Notes		26		25		76		218
Amortization of debt discount/transaction costs- 2027 Notes		23		22		66		197
Amortization of debt discount/transaction costs- 2029 Notes		274		264		793		405
Total Interest Expense	$	2,442	$	2,430	$	7,292	$	7,532