CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (9,662)	$ (5,330)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	663	16
Change in fair value of SAFEs		2,492
Share-based compensation expense	366	34
Deferred income taxes		(152)
Loss on write-off of property and equipment	9
Changes in operating assets and liabilities:
Prepaid expenses and other assets	1,239	(603)
Accounts payable	(788)	135
Accrued expenses and other liabilities	(682)	791
Net cash used in operating activities	(8,855)	(2,617)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property and equipment	(39)
Capitalized internal-use software costs		(582)
Net cash used in investing activities	(39)	(582)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from issuance of SAFE notes		4,675
Proceeds from exercise of common stock options	1
Net cash provided by financing activities	1	4,675
Net change in cash and cash equivalents	(8,893)	1,476
Cash and cash equivalents, beginning of period	40,566	123
Cash and cash equivalents, end of period	31,673	$ 1,599
Supplemental disclosures of cash flow information:
Cash paid for interest	$ 219