Balance Sheet Components

6 Months Ended

Jun. 30, 2022

Balance Sheet Related Disclosures [Abstract]

5. Balance Sheet Components

Cash and Cash Equivalents

The Company’s cash and cash equivalents consisted of the following (in thousands):


	June 30,		December 31,
	2022		2021
Cash	$	3,525	$	613
Cash equivalents:
Money market funds		98,008		105,220
Total cash and cash equivalents	$	101,533	$	105,833

Included in cash as of June 30, 2022 is $0.9 million pledged to Silicon Valley Bank (“SVB”) as collateral for the Company's corporate credit card program and is restricted from use by the Company. There was no cash pledged to SVB as of December 31, 2021.

Property and equipment, net

The Company’s property and equipment, net consisted of the following (in thousands):


	June 30,			December 31,
	2022			2021
Furniture and fixtures, and equipment	$	180		$	180
Construction in progress		4,328			126
Machinery and equipment		673			274
Capitalized surgical equipment		6,083			4,442
Computer equipment		340			160
Leasehold improvements		268			268
Software		138			138
Total property and equipment		12,010			5,588
Less: accumulated depreciation and amortization		(3,269	)		(2,739	)
Property and equipment, net	$	8,741		$	2,849

Depreciation and amortization expense on property and equipment was $0.4 million and $0.1 million for the three months ended June 30, 2022 and 2021, respectively. Depreciation and amortization expense on property and equipment was $0.8 million and $0.2 million for the six months ended June 30, 2022 and 2021, respectively.

Accrued liabilities

Accrued liabilities consist of the following (in thousands):


	June 30,		December 31,
	2022		2021
Accrued royalty expense	$	1,397	$	1,522
Accrued interest		315		975
Accrued professional services		562		941
Other accrued expense		2,535		1,080
Total accrued liabilities	$	4,809	$	4,518