Note 10 - Shareholders' Equity

12 Months Ended

Dec. 31, 2022

Notes to Financial Statements

Stockholders' Equity Note Disclosure [Text Block]

Note 10 — Stockholders' Equity

Common Stock Purchase Agreements

On  April 6, 2022, the Company entered into a common stock purchase agreement (the “Stock Purchase Agreement”) with HGC NEXT INV LLC (the “Purchaser”), pursuant to which the Company sold 4,618,226 shares of the Company's common stock to the Purchaser, at a purchase price of $6.496 per share for an aggregate purchase price of approximately $30 million.  The consummation of the transactions contemplated by the Stock Purchase Agreement occurred on  April 7, 2022.

On  September 14, 2022, the Company entered into a common stock purchase agreement for a private placement (the “Private Placement”) with several institutional investors (collectively, the “Purchasers”), pursuant to which the Company agreed to sell, and the Purchasers severally agreed to purchase, an aggregate of 15,454,160 shares of the Company’s common stock at a purchase price of $5.50 per share for an aggregate purchase price of approximately $85.0 million.  The Private Placement closed on  September 19, 2022.

Common Stock Warrants

During the year ended  December 31, 2022, Common Stock Warrants were exercised by certain holders of Series B Preferred Stock.  In connection with the exercises of Common Stock Warrants, the Company issued an aggregate of approximately 0.5 million shares of Company common stock.