Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net loss	$ (71,450,000)	$ (62,147,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	324,000	180,000
Stock-based compensation	8,252,000	8,349,000
Amortization of debt issuance costs	396,000	46,000
Changes in operating assets and liabilities:
(Increase) decrease in accounts receivable	(26,000)	372,000
(Increase) decrease in prepaid expenses and other current assets	(470,000)	1,985,000
Decrease in other assets	329,000	459,000
Decrease in accounts payable and other liabilities	(4,637,000)	(13,433,000)
Net cash provided by (used in) operating activities	(67,282,000)	(64,189,000)
Cash and cash equivalents	18,834,000	92,118,000
Cash paid for interest	1,281,000	307,000
Initial recognition of right of use asset	5,206,000	1,704,000
Issuance of Stock and Warrants for Services or Claims	698
Adjustments to Additional Paid in Capital, Warrant Issued	700,000	0
Stock Issued During Period, Value, Treasury Stock Reissued	6,321	0
Business Exit Costs	1,500	0
Cash flows from investing activities:
Purchases of property and equipment	(80,000)	(1,198,000)
Purchases of investments	(133,363,000)	(28,880,000)
Maturities of investments	38,191,000	26,092,000
Net cash (used in) provided by investing activities	(95,252,000)	(3,986,000)
Cash flows from financing activities:
Proceeds from issuance of common stock	94,268,000	36,705,000
Repurchase of common stock	(864,000)	(2,675,000)
Proceeds from debt borrowings, net of fees	23,899,000	0
Net cash used in financing activities	117,303,000	34,030,000
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(45,231,000)	(34,145,000)
Cash and cash equivalents at beginning of period	64,065,000	126,263,000
Cash and cash equivalents at end of period	18,834,000	92,118,000
Supplemental disclosure of cash flow information:
Cash paid for interest	1,281,000	307,000
Initial recognition of right of use asset	$ 5,206,000	$ 1,704,000