Note 14 - Failure to Comply with NASDAQ Listing Requirements	6 Months Ended
Jun. 30, 2022
Notes to Financial Statements
Failure to Comply with Nasdaq Listing Requirements Disclosure [Text Block]	*NOTE 14.* FAILURE TO COMPLY WITH NASDAQ LISTING REQUIREMENTS** On September 15, 2021, we received a notification letter from The Nasdaq Stock Market LLC (Nasdaq) indicating that we have failed to comply with the minimum bid price requirement of Nasdaq Listing Rule 5550(a)(2). Nasdaq Listing Rule 5550(a)(2) requires that companies listed on the Nasdaq Capital Market maintain a minimum bid price of $1.00. To regain compliance with this listing rule, the closing bid price of our common stock has to be at least $1.00 for a period of Nasdaq’s discretion, of at least 10, but not to exceed 20, consecutive business days. As of the date of this filing, we have not regained compliance with the minimum bid price requirement, however, we were eligible for and obtained from Nasdaq an additional 180-day compliance period, which extends through September 12, 2022. We are committed to taking actions that would enable us to regain compliance, including, if necessary, completing a reverse split of our common stock to increase its share price above the $1.00 minimum bid price. On July 14, 2022, our shareholders approved amendments to our articles of incorporation that would effect a reverse stock split, pursuant to which either five, ten, fifteen, twenty, or twenty-five outstanding shares of our common stock would be combined into one share of such stock, and to authorize our board of directors, at its discretion, to select and file one such amendment which would effect the reverse stock split at one of these five reverse split ratios on or before July 14, 2023, if deemed appropriate.

Note 14 - Failure to Comply with NASDAQ Listing Requirements

6 Months Ended

Jun. 30, 2022

Failure to Comply with Nasdaq Listing Requirements Disclosure [Text Block]

NOTE 14. FAILURE TO COMPLY WITH NASDAQ LISTING REQUIREMENTS

On September 15, 2021, we received a notification letter from The Nasdaq Stock Market LLC (Nasdaq) indicating that we have failed to comply with the minimum bid price requirement of Nasdaq Listing Rule 5550(a)(2). Nasdaq Listing Rule 5550(a)(2) requires that companies listed on the Nasdaq Capital Market maintain a minimum bid price of $1.00. To regain compliance with this listing rule, the closing bid price of our common stock has to be at least $1.00 for a period of Nasdaq’s discretion, of at least 10, but not to exceed 20, consecutive business days. As of the date of this filing, we have not regained compliance with the minimum bid price requirement, however, we were eligible for and obtained from Nasdaq an additional 180-day compliance period, which extends through September 12, 2022. We are committed to taking actions that would enable us to regain compliance, including, if necessary, completing a reverse split of our common stock to increase its share price above the $1.00 minimum bid price. On July 14, 2022, our shareholders approved amendments to our articles of incorporation that would effect a reverse stock split, pursuant to which either five, ten, fifteen, twenty, or twenty-five outstanding shares of our common stock would be combined into one share of such stock, and to authorize our board of directors, at its discretion, to select and file one such amendment which would effect the reverse stock split at one of these five reverse split ratios on or before July 14, 2023, if deemed appropriate.