Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2022

Balance Sheet Related Disclosures [Abstract]

Schedule of Inventory

Inventory as of December 31, 2022 and 2021 consisted of the following:

	2022		2021
	(in thousands)
Raw materials	$	9,269	$	4,911
Work in process		427		270
Finished goods		5,766		2,969
Total inventory	$	15,462	$	8,150

Schedule of Property and Equipment, Net

Property and equipment, net as of December 31, 2022 and 2021 consisted of the following:

	2022			2021
	(in thousands)
Laboratory and warehouse equipment and tooling	$	6,837		$	5,937
Computer equipment and software		1,543			1,501
Office furniture and fixtures		1,955			1,489
Leasehold improvements		2,983			2,585
Automobiles		29			29
Construction in progress	130			418
		13,477			11,959
Less: accumulated depreciation		(10,617	)		(9,593	)
Property and equipment, net	$	2,860		$	2,366

Schedule of Intangible Assets, Net

Intangible assets as of December 31consisted of the following:

	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

	2021
	Weighted Average Amortization Period	Gross		Accumulated Amortization		Net
	(in years)	(in thousands)
Developed Technology (5 years)	4.0	$	2,445	$	768	$	1,677
Customer relationships (7 years)	2.8		1,910		875		1,035
Tradenames (10 years)	0.8		360		116		244
Total intangible assets	7.6	$	4,715	$	1,759	$	2,956

Schedule of Estimated Future Annual Amortization Expense Related to Intangible Assets

The following table presents estimated future annual amortization expense related to intangible assets, net as of December 31, 2022:

	Future Intangible Asset Amortization Expenses
	(in thousands)
2023	$	618
2024		442
2025		386
2026		169
2027 and thereafter		677
Total future amortization expense	$	2,292

Schedule of Accrued Expenses

Accrued expenses as of December 31, 2022 and 2021 consisted of the following:

	2022		2021
	(in thousands)
Vendor invoices	$	2,712	$	2,779
Other accrued expenses		2,645		1,979
Total accrued expenses	$	5,357	$	4,758

Schedule of Other Current Liabilities

Other current liabilities as of December 31, 2022 and 2021 consisted of the following:

	2022		2021
	(in thousands)
Finance lease liability	$	34	$	55
Contingent earnout		—		524
Warranty liability		1,340		1,132
Other current liabilities		817		771
Total other current liabilities	$	2,191	$	2,482

Schedule of Other Liabilities

Other liabilities as of December 31, 2022 and 2021 consisted of the following:

	2022		2021
	(in thousands)
Non-current finance lease liability	$	183	$	70
Other non-current liabilities		590		488
Total other liabilities	$	773	$	558