The Company leases space under operating leases for administrative offices in New York, New York, and Waltham, Massachusetts.

The following table provides a summary of the components of lease costs and rent:


	Three Months Ended June 30,				Six Months Ended June 30,
	2026		2025		2026		2025
Operating lease cost	$	98	$	99	$	197	$	222
Variable lease cost		11		9		20		21
Total operating lease costs	$	109	$	108	$	217	$	243

Cash paid for amounts included in the measurement of operating lease liabilities was $0.1 million and $0.2 million for each of the three and six months ended June 30, 2026 and 2025, respectively.

The Company recorded operating lease costs of $0.1 million and $0.2 million during each of the three and six months ended June 30, 2026 and 2025 within the general and administrative expenses line item in the unaudited condensed consolidated statements of operations and comprehensive loss. The Company recorded operating lease costs of nil during the six months ended June 30, 2026 and nil and $24 thousand during the three and six months ended June 30, 2025, respectively, within the research and development expenses line item in the unaudited condensed consolidated statements of operations and comprehensive loss.

Maturities of operating lease liabilities as of June 30, 2026, are as follows:


2026 (remaining 6 months)	$	210
2027		323
2028		318
2029		321
2030		324
Thereafter		54
Total undiscounted operating lease payments		1,550
Less: imputed interest		(263	)
Present value of operating lease liabilities	$	1,287

Balance sheet classification:
Current portion of operating lease liabilities	$	374
Long-term operating lease liabilities		913
Total operating lease liabilities	$	1,287

The weighted-average remaining term of operating leases was 54 months and the weighted-average discount rate used to measure the present value of operating lease liabilities was 8.4% as of June 30, 2026.