Note 14 - Concentration of Credit Risk

12 Months Ended

Sep. 30, 2025

Notes to Financial Statements

Concentration Risk Disclosure [Text Block]

(14) Concentration of Credit Risk

The Company maintains its cash accounts with three commercial banks that, at times, may exceed federally insured limits. The amount on deposit at September 30, 2025, exceeded the insurance limits of the Federal Deposit Insurance Corporation by approximately $5.4 million. In addition, total cash and cash equivalents include $66.5 million held in the First American U.S. Government Money Market Fund that is not federally insured. The Company believes it is not exposed to any significant credit risk on cash and cash equivalents.