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Summary of Significant Accounting Policies and Other Information (Tables)

6 Months Ended

Jun. 30, 2023

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedules of Concentration of Risk, by Risk Factor

The following table presents customers individually accounting for more than 10% of the Company’s net sales:

						For the Three Months Ended June 30,												For the Six Months Ended June 30,
						2023						2022						2023						2022
Customer A						14		%				18		%				15		%				17		%
Customer B						10		%				**						11		%				**

The following table presents customers individually accounting for more than 10% of the Company’s accounts receivable:

						As of June 30, 2023						As of December 31, 2022
Customer A						23		%				30		%
Customer B						14		%				**

The following table presents suppliers individually accounting for more than 10% of the Company’s purchases:

						For the Three Months Ended June 30,												For the Six Months Ended June 30,
						2023						2022						2023						2022
Supplier C						**						14		%				10		%				**

**Less than 10% of the total

Schedule of Inventory, Current

Inventories consisted of the following:

(in thousands) Inventories						As of June 30, 2023						As of December 31, 2022
Raw materials						$	92,363					$	101,566
Work in process						1,516						3,073
Finished goods						25,038						19,825
Total inventories						118,917						124,464
Inventory allowance						(5,702)						(3,904)
Inventories, net						$	113,215					$	120,560

Activity in the Company’s inventory allowance was as follows:

(in thousands)						For the Six Months Ended June 30,
Inventory Allowance						2023						2022
Balance at beginning of period						$	3,904					$	3,370
Charged to expense						2,179						163
Write-offs						(381)						(592)
Balance at end of period						$	5,702					$	2,941

Schedule of Other Accrued Liabilities

Other accrued liabilities consisted of the following:

(in thousands) Other Accrued Liabilities						As of June 30, 2023						As of December 31, 2022
Accrued product warranty						$	12,100					$	13,037
Litigation reserves *						2,202						2,102
Contract liabilities						2,399						2,256
Accrued compensation and benefits						6,186						7,299
Accrued interest expense						6,692						5,257
Other						3,790						4,158
Total						$	33,369					$	34,109

*As of June 30, 2023 and December 31, 2022 litigation reserves related to various ongoing legal matters including associated legal fees.

Schedule of Accrued Product Warranty

Accrued product warranty activities are presented below:

(in thousands)						For the Six Months Ended June 30,
Accrued Product Warranty						2023						2022
Balance at beginning of period						$	21,550					$	32,947
Current period provision *						3,491						4,170
Changes in estimates for preexisting warranties **						5,662						115
Payments made during the period						(8,477)						(11,442)
Balance at end of period						22,226						25,790
Less: current portion						12,100						15,682
Noncurrent accrued product warranty (included with Other Noncurrent liabilities)						$	10,126					$	10,108

*Warranty costs for claims received, net of supplier recoveries, and other adjustments, were a cost of $8.5 million and a cost of $1.9 million for the six months ended June 30, 2023 and 2022, respectively. Supplier recoveries were $0.7 million and $2.1 million for the six months ended June 30, 2023 and 2022, respectively.

**Changes in estimates for preexisting warranties reflect changes in the Company’s estimate of warranty costs for products sold in prior periods. Such adjustments typically occur when claims experience deviates from historical and expected trends. During the six months ended June 30, 2023, the Company recorded a cost for changes in estimates of preexisting warranties of $5.7 million, or $0.25 per diluted share. During the six months ended June 30, 2022, the Company recorded a cost of $0.1 million, or $0.01 per diluted share, which includes a favorable experience for preexisting warranties attributable to a contract revision executed during the quarter ended March 31, 2022.

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