Note 3 - Balance SHeet Components - Schedule of Other Assets (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
Prepaid clinical trial costs (noncurrent portion)	$ 1,106,778	$ 2,083,276
Prepaid technology license fees	80,000	80,000
Deposits	11,010	11,010
Total other assets	$ 1,197,788	$ 2,174,286

The amount of an asset, typically cash, provided to a counterparty to provide certain assurance of performance by the entity pursuant to the terms of a written or oral agreement, such as a lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant