Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (16,971)	$ (28,845)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	2,363	2,730
Depreciation	1,355	1,840
Gain on lease modification	(6,762)	0
Gain on change in fair value of convertible notes - related party	(271)	0
Other non-cash charges	52	39
Changes in operating assets and liabilities:
Operating lease right-of-use assets	1,032	1,104
Accounts payable	(670)	(180)
Accrued expenses and other current liabilities	(1,272)	(1,167)
Operating lease liabilities	(2,719)	(2,227)
GeneFab sublease deferred income - related party	1,635	(300)
Deferred revenue - related party	(32)	0
Other non-current liabilities	(99)	0
Net cash used in operating activities	(21,730)	(27,123)
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from sale of property and equipment	114	12
Purchases of property and equipment	0	(196)
Net cash provided by (used in) investing activities	114	(184)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from issuance of convertible notes - related party	9,700	0
Payment of issuance costs	(25)	(2,457)
Taxes paid related to net settlement of stock awards	(118)	0
Proceeds from CIRM Grant	0	2,520
Proceeds from issuance of common stock related to ATM, net of commissions	0	534
Net cash provided by financing activities	9,557	597
NET DECREASE IN CASH, CASH EQUIVALENTS, AND RESTRICTED CASH	(12,059)	(26,710)
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH — Beginning of period	19,948	51,815
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH — End of period	7,889	25,105
SUPPLEMENTAL DISCLOSURES OF NON-CASH INVESTING AND FINANCING INFORMATION:
Capital contribution from related party upon initial recognition of convertible notes at fair value - related party	5,736	0
Unpaid issuance costs	340	0
Related Party
Adjustments to reconcile net loss to net cash used in operating activities:
Gain on change in fair value of convertible notes - related party	(271)	0
Convertible note issuance costs included in net loss - related party	300	0
Changes in operating assets and liabilities:
Accounts receivable	715	(1,878)
Prepaid expenses and other assets	(1,328)	1,156
Nonrelated Party
Changes in operating assets and liabilities:
Accounts receivable	323	(9)
Prepaid expenses and other assets	$ 619	$ 614