Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2024

Accounting Policies [Abstract]

Summary of Components of Inventories

The Company’s inventories consisted of the following (in thousands):

	June 30, 2024		December 31, 2023
Raw materials	$	170	$	165
Work in process		1,335		1,164
Finished goods		969		890
Total inventories	$	2,474	$	2,219

Summary of Significant Accounting Policies - Summary of Total Revenue by Geographic Region Based on Customers' Locations

Total revenue by geographic region based on customers’ locations for the three and six months ended June 30, 2024 and 2023 are as follows (in thousands):

	Three months ended June 30,				Six months ended June 30,
	2024		2023		2024		2023
United States	$	1,182	$	1,143	$	2,155	$	2,421
Europe		644		613		1,187		1,044
Japan		140		112		287		282
Other		205		213		369		388
Total	$	2,171	$	2,081	$	3,998	$	4,135

Summary of Numerators and Denominators in Calculation of Basic and Diluted Net (Loss) Income per Share

The numerators and denominators in the calculation of basic and diluted net loss per share were as follows (in thousands except per share amounts):

	Three months ended June 30,						Six months ended June 30,
	2024			2023			2024			2023
Basic loss per share computation:
Net loss	$	(3,700	)	$	(11,181	)	$	(11,343	)	$	(23,168	)
Weighted average number of shares outstanding - basic		31,038			24,508			30,838			24,140
Net loss per share - basic	$	(0.12	)	$	(0.46	)	$	(0.37	)	$	(0.96	)
Diluted loss per share computation:
Net loss	$	(3,700	)	$	(11,181	)	$	(11,343	)	$	(23,168	)
Change in fair value of pre-funded warrant liabilities		—			—			—			258
Net loss adjusted for change in fair value of warrant liabilities	$	(3,700	)	$	(11,181	)	$	(11,343	)	$	(23,426	)
Weighted average shares used to compute basic net loss per share		31,038			24,508			30,838			24,140
Dilutive effect of pre-funded warrants		—			—			—			237
Weighted average shares used to compute diluted net loss per share		31,038			24,508			30,838			24,377
Net loss per share - diluted	$	(0.12	)	$	(0.46	)	$	(0.37	)	$	(0.96	)