Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities
Net loss	$ (25,348)	$ (16,428)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	2,113	1,325
Depreciation and amortization	41	20
Amortization/accretion on short-term investments	(22)	33
Changes in the fair value of performance award	(389)	363
Non-cash lease expense	241
Changes in operating assets and liabilities:
Prepaid expenses and other assets	905	(2,457)
Accounts payable and accrued expenses	1,726	(1,164)
Operating lease liabilities	(222)
Other current and long-term liabilities		18
Net cash used in operating activities	(20,955)	(18,290)
Cash flows from investing activities
Purchase of property and equipment	(68)	(31)
Purchase of available-for-sale short-term investments	(15,922)	(26,989)
Proceeds from maturities of available-for-sale short-term investments	30,500
Net cash provided by (used in) investing activities	14,510	(27,020)
Cash flows from financing activities
Proceeds from initial public offering, net of offering costs		84,639
Proceeds from issuance of common stock in connection with equity plans	49	187
Net cash provided by financing activities	49	132,065
Net (decrease) increase in cash and cash equivalents	(6,396)	86,755
Cash and cash equivalents, beginning of period	124,660	53,613
Cash and cash equivalents, end of period	118,264	140,368
Supplemental cash flow information:
Right-of-use assets obtained in exchange for lease obligations	$ 1,524
Property and equipment in accounts payable		10
Accrued deferred initial public offering costs		30
Series B convertible preferred stock
Cash flows from financing activities
Proceeds from issuance of Series B convertible preferred stock, net of issuance costs		$ 47,239