Note 2 - Liquidity and Management’s Plans

As of March 31, 2023, the Company had a cash, cash equivalents and investments balance of $14.1 million and working capital and stockholders’ equity of $13.4 million and $13.5 million, respectively. During the three months ended March 31, 2023, the Company incurred a net loss of $2.2 million. Based on management’s current plans (see Note 1 - Business Organization and Nature of Operations), the Company believes that its funds available will be sufficient to fund the Company’s planned operating expenses and capital expenditure requirements for at least one year from the issuance of these financial statements.