Common and Preferred Stock	6 Months Ended
Jun. 30, 2026
Stockholders' Equity Note [Abstract]
Common and Preferred Stock	NOTE 10. COMMON AND PREFERRED STOCK Common Stock As of June 30, 2026, the Company had 55,000,000 shares of Common Stock authorized and 3,935,557 shares issued and 3,924,677 shares outstanding. There were no dividends declared or paid on the common stock during the three and six months ended June 30, 2026 and 2025. Preferred Stock As of June 30, 2026, the Company had 5,000,000 shares of Preferred Stock authorized and 3,670,813 shares issued and outstanding. Series A Preferred Stock As of June 30, 2026, the Company had 560,000 shares of Series A Preferred Stock issued and outstanding. There were no dividends declared or paid on the Series A Preferred Stock for the three and six months ended June 30, 2026 and 2025. Series B Preferred Stock During the six months ended June 30, 2026, the Company purchased 35,232 shares of its Series B Preferred Stock for a cost of $217 thousand under the Company's Stock Repurchase Plan authorized on November 25, 2025. In January 2025, the board of directors of the Company declared a dividend to the holders of its Series B Preferred Stock, on a pro rata basis in proportion to the number of shares of Series B Preferred Stock held by such holders of 250,000 shares of the Company’s common stock, rounded down to the nearest whole share of Common Stock. The dividend was paid in February 2025 to holders of record of the Series B Preferred Stock as of the close of business on February 10, 2025 and 249,990 shares of the Company's common stock were issued. The Company is required to pay the dividend of Common Stock to such holders of Series B Preferred Stock pursuant to the terms of Regional’s Amended and Restated Articles of Incorporation, which governs the terms of the Series B Preferred Stock. As of June 30, 2026, the Company had 1,705,941 shares of Series B Preferred Stock issued and outstanding. Except for the dividends declared in January 2025, no other dividends were declared or paid on the Series B Preferred Stock for the three and six months ended June 30, 2026 and 2025. Series D Preferred Stock As of June 30, 2026, the Company had 1,405,609 shares of Series D Preferred Stock issued and outstanding. No dividends were declared or paid on the Series D Preferred Stock for the three and six months ended June 30, 2026. See Note 12 – Common and Preferred Stock in Part II, Item 8, Financial Statements and Supplementary Data, included in the Annual Report for more information on our stock.

Common and Preferred Stock

6 Months Ended

Jun. 30, 2026

Stockholders' Equity Note [Abstract]

NOTE 10. COMMON AND PREFERRED STOCK

Common Stock

As of June 30, 2026, the Company had 55,000,000 shares of Common Stock authorized and 3,935,557 shares issued and 3,924,677 shares outstanding. There were no dividends declared or paid on the common stock during the three and six months ended June 30, 2026 and 2025.

Preferred Stock

As of June 30, 2026, the Company had 5,000,000 shares of Preferred Stock authorized and 3,670,813 shares issued and outstanding.

Series A Preferred Stock

As of June 30, 2026, the Company had 560,000 shares of Series A Preferred Stock issued and outstanding. There were no dividends declared or paid on the Series A Preferred Stock for the three and six months ended June 30, 2026 and 2025.

Series B Preferred Stock

During the six months ended June 30, 2026, the Company purchased 35,232 shares of its Series B Preferred Stock for a cost of $217 thousand under the Company's Stock Repurchase Plan authorized on November 25, 2025.

In January 2025, the board of directors of the Company declared a dividend to the holders of its Series B Preferred Stock, on a pro rata basis in proportion to the number of shares of Series B Preferred Stock held by such holders of 250,000 shares of the Company’s common stock, rounded down to the nearest whole share of Common Stock. The dividend was paid in February 2025 to holders of record of the Series B Preferred Stock as of the close of business on February 10, 2025 and 249,990 shares of the Company's common stock were issued. The Company is required to pay the dividend of Common Stock to such holders of Series B Preferred Stock pursuant to the terms of Regional’s Amended and Restated Articles of Incorporation, which governs the terms of the Series B Preferred Stock.

As of June 30, 2026, the Company had 1,705,941 shares of Series B Preferred Stock issued and outstanding. Except for the dividends declared in January 2025, no other dividends were declared or paid on the Series B Preferred Stock for the three and

six months ended June 30, 2026 and 2025.

Series D Preferred Stock

As of June 30, 2026, the Company had 1,405,609 shares of Series D Preferred Stock issued and outstanding. No dividends were declared or paid on the Series D Preferred Stock for the three and six months ended June 30, 2026.

See Note 12 – Common and Preferred Stock in Part II, Item 8, Financial Statements and Supplementary Data, included in the Annual Report for more information on our stock.