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Note 3 - Balance Sheet Components (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2023

Dec. 31, 2022

Notes Tables

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Table Text Block]

		September 30, 2023				December 31, 2022
Prepaid clinical trial costs (current portion)		$	1,986,037			$	1,171,077
Prepaid insurance premiums			-				107,876
Prepaid rent			13,045				13,045
Other prepaid expenses			114,167				34,000
Total prepaid expenses		$	2,113,249			$	1,325,998

		2022				2021
Prepaid clinical trial costs (current portion)		$	1,171,077			$	-
Prepaid insurance premiums			107,876				123,248
Prepaid rent			13,045				13,045
Other prepaid expenses			34,000				19,947
Total prepaid expenses		$	1,325,998			$	156,240

Property, Plant and Equipment [Table Text Block]

		September 30, 2023				December 31, 2022
Equipment and furnishings		$	755,809			$	725,812
Leasehold improvements			115,605				115,605
Total property and equipment			871,414				841,417
Accumulated depreciation and amortization			(658,461	)			(606,505	)
Total property and equipment, net		$	212,953			$	234,912

		2022				2021
Equipment and furnishings		$	725,812			$	591,554
Leasehold improvements			115,605				115,605
Total property and equipment			841,417				707,159
Accumulated depreciation and amortization			(606,505	)			(550,221	)
Property and equipment, net		$	234,912			$	156,938

Schedule of Other Assets [Table Text Block]

		September 30, 2023				December 31, 2022
Prepaid clinical trial costs (noncurrent portion)		$	1,106,778			$	2,083,276
Prepaid technology license fees			70,000				80,000
Deposits			11,010				11,010
Total other assets		$	1,187,788			$	2,174,286

		2022				2021
Prepaid clinical trial costs (noncurrent portion)		$	2,083,276			$	-
Prepaid technology license fees			80,000				-
Deposits			11,010				11,010
Total other assets		$	2,174,286			$	11,010

Schedule of Accrued Liabilities [Table Text Block]

		September 30, 2023				December 31, 2022
Accrued technology license fees		$	2,000,000			$	2,000,000
Payroll-related liabilities			133,665				550,810
Other accrued expenses			734,725				449,402
Total accrued expenses		$	2,868,390			$	3,000,212

Accrued license fees (current portion)		$	2,000,000			$	3,000,000
Payroll-related liabilities			550,810				269,000
Other accrued expenses			449,402				108,826
Total accrued expenses		$	3,000,212			$	3,377,826

X

- Definition

Tabular disclosure of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer; the aggregate carrying amount of current assets, not separately presented elsewhere in the balance sheet; and other deferred costs.

+ References

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X

- Definition

Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-SubTopic 10
-Topic 360
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-1

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