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Note 14 - Subsequent Event	6 Months Ended
	Jun. 30, 2020
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 14: SUBSEQUENT EVENT  In July 2020, the Company sold 1,083,531  shares of common stock under the ATM for gross proceeds of $4,473,828, net of sale commissions of $134,314. On July 29, 2020, the Company completed selling all shares available under the ATM with total aggregate gross proceeds to the Company of $5,000,000.

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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 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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