Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (18,263)	$ (32,021)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	333,000	282,000
Amortization of debt issuance costs	14	228
Change in fair value of Series A preferred stock	2,178	3,440
Change in fair value of convertible notes		2,667
Change in fair value of warrant liability		214
Change in fair value of simple agreements for future equity		8,365
Changes in operating assets and liabilities:
Accounts receivable		26
Amounts due to related parties	(6)	(5)
Prepaid expenses and other current assets	667	(12,752)
Long-term deposits	(1,351)
Deferred offering costs		(862)
Accounts payable	(1,733)	914
Amounts due to related parties	(2,620)	(1,671)
Accrued expenses and other current liabilities	1,268	2,937
Other liabilities	(1)	(3)
Net cash used in operating activities	(19,514)	(28,241)
Cash flows from investing activities:
Purchase of property and equipment	(713)
Net cash used in investing activities	(713)
Cash flows from financing activities:
Proceeds from issuance of convertible notes payable with related parties		2,000
Repayment of convertible notes		(2,000)
Repayments Of Related Party Debt	107	104
Proceeds from issuance of simple agreement for future equity		2,900
Proceeds from exercise of stock options	121	4
Net cash provided by financing activities	14	46,280
Increase in cash, cash equivalents, and restricted cash	(20,213)	18,039
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning Balance	145,057	31,198	$ 31,198
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance	124,844	49,237
Supplemental Disclosure
Cash paid for interest	92	96
Noncash Financing Activities
Reitrement Of Treasury Shares	$ 23
Series B Preferred Stock [Member]
Proceeds from issuance of convertible preferred stock, net of issuance costs		43,480
Conversion Of Stock Amount Issued 1			$ 122,800
Simple Agreement for Future Equity [Member]
Conversion Of Stock Amount Issued 1		35,600
Series Seed, Series Seed-1, Series Seed-2, Series A-1 and Series A-2 for Series A [Member]
Conversion Of Stock Amount Issued 1		62,475
Convertible Notes Payable to Series A Preferred [Member]
Conversion Of Stock Amount Issued 1		$ 27,545