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Balance Sheet Components (Tables)

6 Months Ended

Jun. 30, 2025

Balance Sheet Components

Schedule of Inventory

Inventory consisted of the following (in thousands):

​

​	​	​	​	​	​	​
​	​	June 30,		​	December 31,
​		2025			2024
Raw materials	​	$	232	​	$	238
Work-in-process	​		9,821	​		7,510
Finished goods	​		1,253	​		1,362
Total inventory	​	$	11,306	​	$	9,110

Schedule of property and equipment, net

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

​

​	​	​	​	​	​	​
​	​	June 30,		​	December 31,
​		2025			2024
Manufacturing equipment	​	$	15,170	​	$	14,199
Computer and network equipment	​	​	583	​	​	602
Furniture and fixtures	​	​	113	​	​	113
Construction in Progress	​	​	319	​	​	—
Leasehold improvements	​	​	1,476	​	​	1,476
Total property and equipment, gross	​	​	17,661	​	​	16,390
Less: accumulated depreciation	​	​	(13,817)	​	​	(13,170)
Total property and equipment, net	​	$	3,844	​	$	3,220
​	​	​	​	​	​	​

Schedule of Intangible Assets, Net

The gross carrying amounts and accumulated amortization of intangible assets are as follows at the dates indicated (in thousands):

​	​	​	​	​	​	​	​	​	​	​	​
​	​	June 30, 2025
​	​	Weighted-	​	​	​	​	​		​	​	​
​	​	Average	​	​	​	​	​		​	Net
​	​	Life	​	​	Gross Carrying	​	Accumulated		​	Carrying
​	​	(in years)		​	Amount		Amortization			Amount
Internal-use software	​	1.5	​	$	4,409	​	$	(1,858)	​	$	2,551
Total intangible assets	​	​	​	$	4,409	​	$	(1,858)	​	$	2,551
​	​	​	​	​	​	​	​	​	​	​	​

​

​	​	​	​	​	​	​	​	​	​	​	​
​	​	December 31, 2024
​	​	Weighted-	​	​	​	​	​		​	​	​
​	​	Average	​	​	​	​	​		​	Net
​	​	Life	​	​	Gross Carrying	​	Accumulated		​	Carrying
​	​	(in years)		​	Amount		Amortization			Amount
Internal-use software	​	2.0	​	$	4,389	​	$	(973)	​	$	3,416
Total intangible assets	​	​	​	$	4,389	​	$	(973)	​	$	3,416
​	​	​	​	​	​	​	​	​	​	​	​

Schedule of accrued liabilities

Accrued liabilities consisted of the following (in thousands):

​

​	​	​	​	​	​	​
​	​	June 30,		​	December 31,
​		2025			2024
Payroll-related expenses	​	$	1,578	​	$	1,606
Inventory	​	​	199	​	​	157
Other	​		476	​		686
Total accrued liabilities	​	$	2,253	​	$	2,449
​	​	​	​	​	​	​

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