5. Inventories

Inventories consist of the following (in thousands):  

Inventory obsolescence expense for the three and nine months ended June 30, 2026 was $.0.6 million and $2.3 million, respectively. Inventory obsolescence expense for the three and nine months ended June 30, 2025 was $0.2 million and $1.1 million, respectively.  Raw materials include semi-finished goods and component parts that totaled approximately $9.3 million and $9.1 million at June 30, 2026 and September 30, 2025, respectively.