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Note 1 - Organization and Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

		December 31,
		2022				2021
Billed receivable		$	115,469			$	101,175
Unbilled receivable			214,532				176,656
		$	330,001			$	277,831

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

		December 31,
		2022				2021
Prepaid insurance		$	265,429			$	326,712
Prepaid expenses - various			124,273				45,839
Prepaid taxes			2,534				3,279
		$	392,236			$	375,830

Schedule of Accounts Payable and Accrued Liabilities [Table Text Block]

		December 31,
		2022				2021
Research and development expenses		$	1,067,958			$	1,363,889
Legal expenses			56,514				27,675
Other			151,841				156,389
		$	1,276,313			$	1,547,953

Schedule of Accrued Liabilities [Table Text Block]

		December 31,
		2022				2021
Employee wages and benefits		$	580,264			$	405,758
Research and development expenses			343,457				194,250
Other			31,360				109,552
		$	955,081			$	709,560

Schedule of Research and Development Costs [Table Text Block]

		Years Ended December 31,
		2022				2021
Outside contracted services		$	3,707,269			$	7,607,035
Personnel related costs			743,051				773,823
Facilities, overhead and other			51,045				11,512
		$	4,501,365			$	8,392,370

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.3,4)
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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