Note 11 - Subsequent Events	9 Months Ended
Sep. 30, 2022
Notes to Financial Statements
Subsequent Events [Text Block]	*Note 11.* Subsequent Events. Management has evaluated subsequent events through the date of the filing of this Quarterly Report and management noted the following for disclosure. Sales to Lincoln Park** From October 1, 2022, through November 10, 2022, we sold 479,546 shares of our common stock to Lincoln Park (see Note 3), and received $107,000 in gross and net proceeds. *Unit Offering Investments* From October 1, 2022, through November 10, 2022, we received $567,000 of gross and net proceeds from fifteen investors in our Unit Offering (see Note 3), and issued an aggregate 3,432,486 shares of common stock, six-month warrants to purchase an aggregate 3,432,486 shares of common stock at an average $0.198 per share, and five-year warrants to purchase an aggregate 3,432,486 shares of common stock at an average $0.248 per share.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI https://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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