Note 17 - Subsequent Events	12 Months Ended
Dec. 31, 2021
Notes to Financial Statements
Subsequent Events [Text Block]	*17.* SUBSEQUENT EVENTS In January 2022 the Company extended the lease term of its Tempe Arizona office and production facility lease from July 31, 2022 to July 31, 2025. The monthly rate commencing August 1, 2022 will be $10 with 4% annual increases. The Company has evaluated other events subsequent to December 31, 2021 through the date the accompanying financial statements were filed with the Securities and Exchange Commission and noted that there have been no other events or transactions which would affect the Company’s financial statements for the year ended December 31, 2021.

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 http://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 http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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