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Line of Credit	12 Months Ended
Dec. 31, 2025
Text Block [Abstract]
Line of Credit	8. Line of Credit The Company has an agreement providing for a line of credit in the maximum amount of $20.0 million with Frost Bank. The agreement was renewed in 2025. Under the agreement, advances may be made either in the form of loans or letters of credit. Borrowings under the agreement accrue at interest rates based upon prime rate or the one-month term SOFR rate. The line of credit is unsecured. No borrowings or letters of credit were outstanding under the line of credit arrangement at December 31, 2025 or 2024. Unless renewed, the agreement will expire in May 2026.

Line of Credit

12 Months Ended

Dec. 31, 2025

The Company has an agreement providing for a line of credit in the maximum amount of $20.0 million with Frost Bank. The agreement was renewed in 2025. Under the agreement, advances may be made either in the form of loans or letters of credit. Borrowings under the agreement accrue at interest rates based upon prime rate or the one-month term SOFR rate. The line of credit is unsecured. No borrowings or letters of credit were outstanding under the line of credit arrangement at December 31, 2025 or 2024. Unless renewed, the agreement will expire in May 2026.