Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities:
Net loss	$ (14,490,000)	$ (8,774,000)
Adjustments required to reconcile net loss to net cash used in operating activities:
Depreciation	230,000	226,000
Share-based compensation	857,000	493,000
Change in fair value of convertible debt	3,162,000
Changes in operating assets and liabilities:
Awards receivable	679,000	1,753,000
Accounts payable and accrued liabilities	(1,342,000)	940,000
Accrued compensation	(905,000)	234,000
Operating lease right-of-use asset and liability, net	(3,664,000)	890,000
Prepaid expenses and other current assets	(2,097,000)	723,000
Net cash used in operating activities	(17,570,000)	(3,515,000)
Investing activities:
Purchases of property and equipment	(2,010,000)	(236,000)
Net cash used in investing activities	(2,010,000)	(236,000)
Financing activities:
Proceeds from issuance of convertible debt, net of issuance costs	29,594,000
Proceeds from sale of common stock, net of offering costs		44,631,000
Net cash provided by financing activities	29,594,000	44,631,000
Net increase in cash, cash equivalents and restricted cash	10,014,000	40,880,000
Cash, cash equivalents and restricted cash, beginning of period	20,812,000	11,488,000
Cash, cash equivalents and restricted cash, end of period	30,826,000	52,368,000
Supplemental disclosure of cash flow information:
Paycheck Protection Program loan forgiveness		208,000
Unpaid debt issuance costs	268,000
Property and equipment included in accounts payable	$ 40,000	$ 19,000