Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating activities:
Net loss	$ (3,559,829)	$ (2,658,133)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization and depreciation	3,176	3,375
Non-cash lease expense	59,155	54,432
Share-based compensation	117,636	163,676
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)	(460,000)
Amortization of deferred issuance costs associated with convertible debt		12,518
Change in operating assets and liabilities:
Contracts and grants receivable	171,254	1,374
Prepaid expenses and other current assets	621,542	102,882
Research and development incentives receivable	48,994	93,821
Operating lease liability	(59,344)	(53,071)
Accounts payable and accrued expenses	(231,089)	(1,604,414)
Accrued compensation	(170,871)	(262,831)
Net cash flows from operating activities	(3,260,309)	(4,089,580)
Financing activities:
Proceeds from issuance of common stock pursuant to B. Riley At Market Issuance Sales Agreement		3,091,462
Proceeds from issuance of common stock and pre-funded warrants pursuant to public offering	4,741,400	8,495,817
Proceeds from the exercise of warrants	8,600	3,299
Convertible debt repayments		(7,000,000)
Net cash flows from financing activities	4,225,774	3,884,958
Effect of exchange rate on cash and cash equivalents	916	5,946
Net increase in cash and cash equivalents	966,381	(198,676)
Cash and cash equivalents at beginning of period	8,446,158	13,359,615
Cash and cash equivalents at end of period	9,412,539	13,160,939
Supplemental information:
Cash paid for state income taxes	33,665	10,879
Cash paid for interest	125,286	424,660
Cash paid for lease liabilities:
Operating lease	68,200	66,650
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		2,339
Redemption liability for Series D preferred stock		43
Public offering costs included in accounts payable	100,839	221,450
B. Riley Sales Agreement
Financing activities:
Stock issuance costs associated		(93,009)
Public Offering
Financing activities:
Stock issuance costs associated	$ (524,226)	$ (612,611)