15.          Stockholders’ Equity and Stock Based Compensation:

 ​

The 2021 Omnibus Incentive Plan (the “2021 Plan”) authorizes the grant of Stock Options, Restricted Stock Units, Stock Appreciation Rights, Restricted Stock, Deferred Stock, Stock Bonuses and other equity-based awards. The 2021 Plan was approved by the Company’s stockholders at the 2021 Annual Meeting in June 2021. The total number of shares of the Company’s common stock, par value $0.01 per share (“Common Stock”) initially available for award under the 2021 Plan was 500,000 shares. As of June 30, 2025, the number of shares of Common Stock available for future award grants to employees, officers and directors under the 2021 Plan is 155,991.

During the six months ended June 30, 2025, the Company granted a total of 43,736 shares of Restricted Stock Units to directors, officers and employees. These shares of Restricted Stock Units vest immediately, over time in three equal installments or over time in sixteen equal quarterly installments. During the six months ended June 30, 2025, a total of 15,471 shares of Restricted Stock Units were forfeited.

 ​

During the six months ended June 30, 2024, the Company granted a total of 51,812 shares of Restricted Stock Units to directors, officers and employees. These shares of Restricted Stock Units vest immediately, over time in three equal installments or over time in sixteen equal quarterly installments. During the six months ended June 30, 2024, a total of 1,661 shares of Restricted Stock Units were forfeited.

A summary of nonvested shares of Restricted Stock Units awards outstanding under the 2021 Plan as of June 30, 2025, and changes during the three months then ended is as follows:

 ​

As of June 30, 2025, there is approximately $5.5 million of total unrecognized compensation costs related to nonvested share-based compensation arrangements. The unrecognized compensation cost is expected to be recognized over a weighted-average period of 2.1 years.

During the three months ended June 30, 2025 and 2024, the Company recognized share-based compensation expense of $1.2 million and $1.1 million, respectively. During the six months ended June 30, 2025 and 2024, the Company recognized share-based compensation expense of $2.5 million and $1.9 million, respectively.