Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Operating activities:
Net loss	$ (3,846)	$ (12,130)
Adjustments to reconcile net (loss) income to cash (used in) provided by operating activities:
Depreciation and amortization expense	8	13
Accretion of discount and amortization of premium on investments, net	122	0
Stock-based compensation	2,379	349
Loss on debt extinguishment	0	492
(Gain) Loss on change in fair value of warrant liability	(598)	76
Gain on change in fair value of earn-out liability	(12,041)	0
Other expense related to equity purchase agreement	1,161	0
Non-cash interest expense	188	127
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	2,032	(399)
Other non-current assets	96	0
Accounts payable	662	118
Accrued expenses	(1,096)	549
Operating lease right-of-use assets and liabilities, net	(2)	(8)
Net cash (used in) provided by operating activities	(10,935)	(10,813)
Investing activities:
Proceeds from sale of fixed assets	0	607
Purchases of fixed assets	(134)	0
Maturities of short-term investment	10,000	0
Purchases of short-term investments	(34,971)	0
Net cash provided by investing activities	(25,105)	607
Financing activities:
Payment of debt issuance costs	(37)	0
Proceeds from exercise of common stock options	3	0
Proceeds from issuance of common stock, net of issuance cost	2,725	16
Issuance of term loans, net of issuance costs	0	19,835
Repayment of term loans	0	(13,940)
Payment of offering costs	0	(41)
Net cash provided by financing activities	2,691	5,870
Net decrease in cash and cash equivalents	(33,349)	(4,336)
Cash and cash equivalents at beginning of period	49,702	15,216
Cash and cash equivalents at end of period	16,353	10,880
Supplemental disclosure of cash flow information
Interest paid	824	557
Issuance of commitment share	862	0
Purchases of Fixed Assets Included In Accounts Payable And Accrued Expenses	26	0
Accrued Offering Costs	$ 0	$ 2,138