Balance Sheet Components

3 Months Ended

Mar. 31, 2023

Balance Sheet Related Disclosures [Abstract]

Balance Sheet Components

3. Balance Sheet Components

Inventory

Inventory consisted of the following:

	March 31,		December 31,
	2023		2022
	(in thousands)
Raw materials	$	9,331	$	9,269
Work in process		183		427
Finished goods		6,455		5,766
Total inventory	$	15,969	$	15,462

The Company recorded a reserve for excess and obsolete inventory of $0.6 million and $0.5 million at March 31, 2023 and December 31, 2022, respectively.

Intangible assets, net

Intangible assets as of March 31, 2023 and December 31, 2022 consisted of the following:

	March 31, 2023
	Weighted Average Amortization Period	Gross		Accumulated Amortization		Net
	(in years)	(in thousands)
Developed Technology (5 - 10 years)	4.0	$	2,445	$	1,212	$	1,233
Customer relationships (7 years)	2.8		1,910		1,216		694
Tradenames (10 years)	0.8		360		161		199
Total intangible assets	7.6	$	4,715	$	2,589	$	2,126

	December 31, 2022
	Weighted Average Amortization Period	Gross		Accumulated Amortization		Net
	(in years)	(in thousands)
Developed Technology (5 - 10 years)	4.0	$	2,445	$	1,123	$	1,322
Customer relationships (7 years)	2.8		1,910		1,148		762
Tradenames (10 years)	0.8		360		152		208
Total intangible assets	7.6	$	4,715	$	2,423	$	2,292

Amortization expense was $0.2 million for the three months ended March 31, 2023 and 2022, with approximately $0.1 million amortization expense recorded in cost of sales and $0.1 million recorded in selling, general and administrative expenses in the accompanying unaudited condensed consolidated statements of operations and comprehensive loss.

The following table presents estimated future annual amortization expense related to intangible assets, net as of March 31, 2023:

	Future Intangible Asset Amortization Expenses
	(in thousands)
2023 (remaining nine months)	$	452
2024		442
2025		386
2026		169
2027 and thereafter		677
Total future amortization expense	$	2,126