Inventory consisted of the following as of March 31, 2026 and December 31, 2025 (in thousands):

Prepaid expenses and other current assets consisted of the following as of March 31, 2026 and December 31, 2025 (in thousands):


	March 31, 2026		December 31, 2025
Prepaid insurance	$	86	$	96
Other receivable	30		99
Other prepaid expenses	952		626


Total prepaid expenses and other current assets	$	1,068	$	821

Property and equipment, net consisted of the following as of March 31, 2026 and December 31, 2025 (in thousands):


	Useful Life	March 31, 2026		December 31, 2025
Scanners	5 Years	$	1,936	$	1,936
Computer and lab equipment	3-5 Years	1,664		1,647
Leasehold improvements	Various	421		421
Software	3 Years	50		50
Furniture and fixtures	7 Years	82		82
Total property and equipment, gross		4,153		4,136
Less: accumulated depreciation and amortization		(3,838)		(3,818)
Total property and equipment, net		$	315	$	318

Depreciation and amortization expense was $20 thousand and $38 thousand for the three months ended March 31, 2026 and 2025, respectively.

Accrued expenses and other current liabilities consisted of the following as of March 31, 2026 and December 31, 2025 (in thousands):


	March 31, 2026		December 31, 2025
Accrued legal	$	2,028	$	1,937
Accrued personnel costs	1,852		1,489
Accrued purchases	624		94
Deferred revenue	44		7

Other	583		298
Total accrued expenses and other current liabilities	$	5,131	$	3,825