Note 13 - Subsequent Events	6 Months Ended
Jun. 30, 2024
Notes to Financial Statements
Subsequent Events [Text Block]	NOTE 13 – SUBSEQUENT EVENTS Warrant Inducement Transaction On July 25, 2024, the Company entered into definitive agreements with certain of its existing warrant holders for the exercise of warrants to purchase an aggregate of 958,117 shares of its common stock having a current exercise price of $14.00 originally issued in February 2021, June 2021 and May 2022, at a reduced exercise price of $1.32 per share. The gross proceeds to the Company from the exercise of the existing warrants were approximately $1.26 million, prior to deducting placement agent fees and transaction expenses payable by the Company. In consideration for the immediate cash exercise of the warrants, the Company concurrently issued to the warrant holders new unregistered Series A warrants to purchase up to 958,117 shares of common stock (the “Series A Warrants”) and new Series B warrants to purchase up to 958,117 shares of common stock (the “Series B Warrants”). The Series A Warrants and the Series B Warrants have an exercise price of $1.07 per share and are exercisable immediately upon issuance. The Series A Warrants have a term equal to five years from the date of issuance, and the Series B Warrants have a term equal to 18 months from the date of issuance. The transactions described above closed on July 26, 2024. Wainwright acted as the exclusive placement agent for the above-mentioned transactions. The Company paid Wainwright as consideration (i) an aggregate cash fee equal to 7.0% of the gross proceeds from the exercise of the existing warrants, (ii) a management fee equal to 1.0% of the aggregate gross proceeds from the exercise of the existing warrants, (iii) $35,000 for expenses, and (iv) $15,950 for clearing fees. Additionally, the Company issued to Wainwright (or its designees) as compensation, warrants to purchase up to 67,068 shares of common stock of the Company (equal to 7.0% of the aggregate number of existing warrants exercised in the offering) (the “Placement Agent Warrants”). The Placement Agent Warrants have a term of five years from the closing of the offering and an exercise price of $1.65 per share. Strategic Cost Savings Initiative On July 25, 2024, the Company’s Board of Directors approved a plan to implement a strategic cost savings initiative, primarily related to the consolidation of the operations of the Company’s Birmingham laboratory into its Pittsburgh laboratory. The Company began implementing the cost savings initiative in August 2024 and continues to review its progress and effectiveness, including the impact of the changes on the Company’s operating segments and the full financial effect on our consolidated financial statements.

Note 13 - Subsequent Events

6 Months Ended

Jun. 30, 2024

NOTE 13 – SUBSEQUENT EVENTS

Warrant Inducement Transaction

On July 25, 2024, the Company entered into definitive agreements with certain of its existing warrant holders for the exercise of warrants to purchase an aggregate of 958,117 shares of its common stock having a current exercise price of $14.00 originally issued in February 2021, June 2021 and May 2022, at a reduced exercise price of $1.32 per share. The gross proceeds to the Company from the exercise of the existing warrants were approximately $1.26 million, prior to deducting placement agent fees and transaction expenses payable by the Company.

In consideration for the immediate cash exercise of the warrants, the Company concurrently issued to the warrant holders new unregistered Series A warrants to purchase up to 958,117 shares of common stock (the “Series A Warrants”) and new Series B warrants to purchase up to 958,117 shares of common stock (the “Series B Warrants”). The Series A Warrants and the Series B Warrants have an exercise price of $1.07 per share and are exercisable immediately upon issuance. The Series A Warrants have a term equal to five years from the date of issuance, and the Series B Warrants have a term equal to 18 months from the date of issuance.

The transactions described above closed on July 26, 2024. Wainwright acted as the exclusive placement agent for the above-mentioned transactions. The Company paid Wainwright as consideration (i) an aggregate cash fee equal to 7.0% of the gross proceeds from the exercise of the existing warrants, (ii) a management fee equal to 1.0% of the aggregate gross proceeds from the exercise of the existing warrants, (iii) $35,000 for expenses, and (iv) $15,950 for clearing fees. Additionally, the Company issued to Wainwright (or its designees) as compensation, warrants to purchase up to 67,068 shares of common stock of the Company (equal to 7.0% of the aggregate number of existing warrants exercised in the offering) (the “Placement Agent Warrants”). The Placement Agent Warrants have a term of five years from the closing of the offering and an exercise price of $1.65 per share.

Strategic Cost Savings Initiative

On July 25, 2024, the Company’s Board of Directors approved a plan to implement a strategic cost savings initiative, primarily related to the consolidation of the operations of the Company’s Birmingham laboratory into its Pittsburgh laboratory. The Company began implementing the cost savings initiative in August 2024 and continues to review its progress and effectiveness, including the impact of the changes on the Company’s operating segments and the full financial effect on our consolidated financial statements.