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Note 19 - Subsequent Events	6 Months Ended
	Jun. 30, 2022
Notes to Financial Statements
Subsequent Events [Text Block]	19. SUBSEQUENT EVENTS On August 11, 2022, the Company issued 6,915 shares of common stock to its directors in payment of meeting fees. Additionally, the Company issued an aggregate of 2,500 shares of restricted stock with three-year vesting period to three new employees. All the shares were issued at $2.17 the closing price on August 11, 2022, as reported on the Nasdaq Capital Market. The Company has reviewed subsequent events through the date of this filing.

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- Definition

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.

+ References

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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