Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net loss	$ (10,758,636)	$ (634,399)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation expense	9,453	380
Stock-based compensation expense	636,140	603,946
Non-cash interest expense	5,842	53,750
Non-cash gain on change in fair value of warrant liability	(565,940)	(355,890)
Gain on settlement of litigation liability	(250,000)
Amortization of premium/discount on marketable investment securities	(122,048)	515,577
Changes in operating assets and liabilities:
Accrued interest income	166,826	(246,862)
Contract asset	218,072	(4,050,000)
Prepaid and other current assets	569,146	(853,207)
Accounts payable	(688,954)	(307,878)
Accrued expenses	61,280	(636,720)
Litigation settlement liability	(1,250,000)	1,500,000
Cash used in operating activities	(11,968,819)	(4,411,303)
Cash flows from investing activities:
Purchases of property and equipment	(133,831)	(7,591)
Purchases of marketable investment securities	(45,074,462)	(48,422,806)
Maturities of marketable investment securities	59,502,000	4,650,000
Cash provided by (used in) investing activities	14,293,707	(43,780,397)
Cash flows from financing activities:
Debt repayments	(1,666,667)	(3,333,333)
End of loan payment fee	(650,000)
Proceeds from stock option exercises	211,423	6,693
Proceeds from sale of common stock sold in equity offering		26,840,457
Proceeds from exercise of warrants		5,000
Proceeds from (costs associated with) ATM	(21,700)	3,406,053
Cash provided by (used in) financing activities	(2,126,944)	26,924,870
Net increase (decrease) in cash and cash equivalents	197,944	(21,266,830)
Cash, cash equivalents and restricted cash at beginning of year	2,950,552	24,217,382
Cash, cash equivalents and restricted cash at end of year	3,148,496	2,950,552
Supplemental disclosure of cash flow information:
Interest paid	21,256	149,543
Income taxes paid	200	200
Supplemental disclosure of non-cash investing and financing activities:
Settlement of warrant liability on warrant exercises		18,365
Unrealized loss on marketable investment securities	(2,305)	(18,016)
Accrued final payment charge on debt	$ 5,842	$ 53,750