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


	June 30, 2026			December 31, 2025
Leasehold improvements	$	69,533		$	66,487
Furniture and fixtures		668			668
Research equipment		19,733			17,576
Computers and software		446			373
Construction in progress		2,517			10,568
Total property and equipment, gross		92,897			95,672
Less accumulated depreciation and amortization		(36,129	)		(28,951	)
Total property and equipment, net	$	56,768		$	66,721

Depreciation and amortization expense was $2.7 million and $2.3 million for the three months ended June 30, 2026 and 2025, respectively, and $5.1 million and $4.6 million for the six months ended June 30, 2026 and 2025, respectively.

The Company tests long-lived assets for recoverability whenever events or changes in circumstances suggest that the carrying value of an asset or group of assets may not be recoverable. During the second quarter of 2026, the Company identified an indicator related to equipment that will no longer be utilized as a result of ongoing optimization of the Company’s manufacturing processes and recorded an impairment charge of $4.0 million within general and administrative expenses in the condensed statements of operations. Of this amount, $3.1 million related to equipment included in construction in progress that the Company no longer plans to place in service. An additional $0.9 million related to other equipment that the Company has no plans to use in operations was written down to its estimated fair value. No impairment charge was recorded during the three and six months ended June 30, 2025.

Accrued and other current liabilities are comprised of the following (in thousands):


	June 30, 2026		December 31, 2025
Accrued compensation	$	4,210	$	6,065
Accrued research and development costs		7,558		6,443
Other accrued and current liabilities		694		780
Total accrued and other liabilities	$	12,462	$	13,288