Note 14 - Subsequent Events	12 Months Ended
Dec. 31, 2020
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 14 – SUBSEQUENT EVENTS On March 24, 2021, the Company entered into an agreement with Apollo in which the Company acquired the option to further extend, in its sole discretion, the current May 2021 maturity date of its loan to November 2022 from May 2022 (“Second Extension Option”). The fee to acquire the Second Extension Option was the adjustment of the exercise price of 362,500 warrants held by Apollo from $6.75 to $0.01. During the first quarter of fiscal year 2021, the Company issued 1,368,362 shares of common stock in its July 2020 ATM Offering for gross proceeds of $15.2 million and net proceeds of $14.9 million.

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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