Balance Sheet Components (Tables)

12 Months Ended

Dec. 31, 2022

Balance Sheet Components

Schedule of Inventory

Inventory consisted of the following (in thousands):

	December 31,
	2022		2021
Raw materials	$	666	$	464
Work-in-process		4,746		4,620
Finished goods		1,271		1,312
Total inventory	$	6,683	$	6,396

Schedule of property and equipment, net

Property and equipment, net consisted of the following (in thousands):

	December 31,
	2022		2021
Manufacturing equipment	$	16,130	$	12,608
Computer and network equipment		1,124		1,008
Furniture and fixtures		187		187
Software		929		929
Leasehold improvements		1,444		1,444
Total property and equipment, gross		19,814		16,176
Less: accumulated depreciation		(15,931)		(15,203)
Total property and equipment, net	$	3,883	$	973

Schedule of accrued liabilities

Accrued liabilities consisted of the following (in thousands):

	December 31,
	2022		2021
Payroll-related expenses	$	2,886	$	2,845
Inventory		185		177
Other		462		557
Total accrued liabilities	$	3,533	$	3,579