Leases (Tables)

6 Months Ended

Jun. 30, 2023

Leases

Supplemental balance sheet information

Supplemental condensed balance sheet information related to leases comprised of the following (in thousands):

		June 30, 2023		December 31, 2022
Operating lease right-of-use assets	$	174	$	284
Operating lease liability	$	180	$	229
Operating lease liability, net of current portion		—		62
Total operating lease liability	$	180	$	291

Supplemental lease expense

Operating lease expense recorded as research and development and general and administrative expenses in the condensed statements of operations was as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
		2023		2022		2023		2022
General and administrative	$	18	$	19	$	38	$	37
Research and development		42		41		83		84
Total lease expense	$	60	$	60	$	121	$	121

Schedule of other information related to the operating lease

Weighted-average remaining lease term (in years)	0.8
Weighted-average discount rate	9.0%

Supplemental cash flow information

Supplemental cash flow information related to the operating lease was as follows (in thousands):

	Six Months Ended June 30,
		2023		2022
Cash paid for operating lease liability	$	122	$	114

Schedule of future minimum lease payments under operating lease

As of June 30, 2023, minimum rental commitments under the operating lease were as follows (in thousands):

Years ending December 31,	Amount
2023 (represents remaining six months in 2023)	$	124
2024		63
Total lease payments		187
Less imputed interest		(7)
Present value of lease liability	$	180