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BALANCE SHEET COMPONENTS (Tables)

9 Months Ended

Sep. 30, 2025

BALANCE SHEET COMPONENTS

Schedule of inventories

​

​	​	​	​	​	​	​
​		September 30, 2025			December 31, 2024
​	​	(amounts, in thousands)
Raw materials	​	$	565	​	$	570
Work in process	​		1,130	​		503
Finished goods	​		2,307	​		1,660
Inventories	​	$	4,002	​	$	2,733

Schedule of property and equipment

​

​	​	​	​	​	​	​	​	​
​	​	​	​	​	​	​	​	Depreciation/
​	​	​	​	​	​	​	​	Amortization
​		September 30, 2025			December 31, 2024			Period
​	​	(amounts, in thousands)					​	​
Furniture and fixtures	​	$	1,612	​	$	1,454		7 years
Equipment and computers	​		5,562	​		5,491		3 to 7 years
Leasehold improvements	​		6,308	​		6,283		Lesser of term of lease or estimated useful life
​	​		13,482	​		13,228	​	​
Less accumulated depreciation and amortization	​		5,289	​		4,226
Property and equipment, net	​	$	8,193	​	$	9,002

Schedule of other assets

​

​	​	​	​	​	​	​
​		September 30, 2025			December 31, 2024
​	​	(amounts, in thousands)
Patent applications pending	​	$	1,539	​	$	1,612
Patents issued	​		3,501	​		3,391
Less accumulated amortization of patents issued	​		(1,448)	​		(1,255)
Patents, net	​		3,592	​		3,748
Other	​		55	​		23
Other assets	​	$	3,647	​	$	3,771

Schedule of patent amortization expense

​

​	​	​	​
​	​	(amounts, in thousands)
Remainder of 2025		$	66
2026	​		258
2027	​		253
2028	​		240
2029	​		240
Thereafter	​		996
Scheduled amortization of patents issued	​	$	2,053

Schedule of accrued expenses and other current liabilities

​

​	​	​	​	​	​	​
​		September 30, 2025			December 31, 2024
​	​	(amounts, in thousands)
Accrued salaries and commissions	​	$	3,464	​	$	3,076
Clinical studies	​		594	​		590
Deferred revenue and contract liabilities	​		403	​		596
Professional fees	​	​	738	​	​	773
Royalties	​	​	282	​	​	275
Goods received not invoiced	​	​	6	​	​	87
Accrued operating expenses	​		1,072	​		635
Accrued expenses and other current liabilities	​	$	6,559	​	$	6,032

​

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