Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating activities:
Net loss	$ (5,279,210)	$ (4,320,835)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization and depreciation	4,765	4,964
Non-cash lease expense	89,686	82,500
Share-based compensation	174,268	229,076
Issuance of common stock to vendors for services		73,000
Issuance of common stock for purchase option		50,000
Loss on extinguishment of debt		393,791
Change in fair value of convertible debt	(260,933)	(387,537)
Amortization of deferred issuance costs associated with convertible debt		12,518
Change in operating assets and liabilities:
Contracts and grants receivable	171,254	49,079
Prepaid expenses and other current assets	525,684	(310,229)
Research and development incentives receivable	51,879	92,092
Operating lease liability	(89,969)	(80,458)
Accounts payable and accrued expenses	(1,391,432)	(2,382,708)
Accrued compensation	(166,753)	(281,149)
Net cash flows from operating activities	(6,170,761)	(6,775,896)
Financing activities:
Proceeds from issuance of common stock pursuant to At Market Issuance Sales Agreement	58,436	3,091,462
Proceeds from issuance of common stock and pre-funded warrants	4,741,400	8,495,817
Proceeds from the exercise of warrants	4,450,172	3,299
Issuance costs associated with warrant inducement	(374,774)
Convertible debt repayments	(686,436)	(7,000,000)
Net cash flows from financing activities	7,519,211	3,709,688
Effect of exchange rate on cash and cash equivalents	45,569	5,127
Net increase in cash and cash equivalents	1,394,019	(3,061,081)
Cash and cash equivalents at beginning of period	8,446,158	13,359,615
Cash and cash equivalents at end of period	9,840,177	10,298,534
Supplemental information:
Cash paid for state income taxes	42,162	13,006
Cash paid for interest	183,771	488,011
Cash paid for lease liabilities:
Operating lease	102,300	99,975
Non-cash investing and financing activities:
Pontifax conversion of portion of debt principal into common stock	254,256
Deferred issuance cost reclassified to additional paid-in capital	228,161	2,339
Redemption liability for Series D preferred stock		43
Offering costs included in accounts payable	83,810	46,180
Warrant modification - incremental value	7,177,683
At Market Issuance Sales Agreement
Financing activities:
Stock issuance costs associated	(44,522)	(93,009)
Public Offering
Financing activities:
Stock issuance costs associated	$ (625,065)	$ (787,881)