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Inventories | 12 Months Ended
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Sep. 30, 2023
Inventories |
Inventories | 3. Inventories Inventories consist of the following:
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | September 30,
​ |  | 2023 |  | 2022
​ | ​ | (Amounts in thousands)
Raw materials | ​ | $ | 247 | ​ | $ | 421
Work-in-process | ​ |  | 36 | ​ | ​ | 23
Finished goods | ​ |  | 2,259 | ​ | ​ | 3,928
Total | ​ | $ | 2,542 | ​ | $ | 4,372
​ We evaluate inventory for obsolescence on at least a quarterly basis or more frequently if needed. Our HPP segment has a multi-faceted approach in determining obsolescence including reviewing inventory by product line, program, and individual part. In the TS segment, we seek to minimize obsolete inventory by having nearly all of our inventory purchased in conjunction with a sales agreement. From time to time, we do purchase certain inventory in bulk to receive discounts, but only when we anticipate selling this inventory in the near-term. The inventory we purchase at the TS segment is in high demand, especially in the current environment, and has a limited risk of obsolescence. Several components used in our HPP segment products are obtained from sole-source suppliers. We are dependent on key vendors such as ADP, NXP, and BCRM for a variety of processors for certain products. We are dependent on NVIDIA for our high-speed interconnect components. Despite our dependence on these sole-source suppliers, based on our current forecast and our projected sales obligations, we believe we have adequate inventory on hand and our current near-term requirements can be met in the existing supply chain. The TS segment has many vendors it transacts with. Several components used in our HPP segment products are obtained from sole-source suppliers. We are dependent on key vendors such as ADP, NXP, and BCRM for a variety of processors for certain products. We are dependent on NVIDIA for our high-speed interconnect components. Despite our dependence on these sole-source suppliers, based on our current forecast and our projected sales obligations, we believe we have adequate inventory on hand and our current near-term requirements can be met in the existing supply chain.

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- Definition The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 330 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//330/tableOfContent + Details
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