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Inventories, net | 12 Months Ended
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Dec. 31, 2024
Inventory Disclosure [Abstract] |
Inventories, net | Note 5 – Inventories, net: ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, | ​ | December 31,
​ |  | 2023 |  | 2024
​ | ​ | (In thousands)
Raw materials: |  | ​ |  |  | ​ |
Security Products | ​ | $ | 3,569 | ​ | $ | 4,063
Marine Components | ​ |  | 2,169 | ​ |  | 1,589
Total raw materials | ​ |  | 5,738 | ​ |  | 5,652
Work-in-process: | ​ |  |  | ​ |  |
Security Products | ​ |  | 13,879 | ​ |  | 13,241
Marine Components | ​ |  | 5,163 | ​ |  | 4,397
Total work-in-process | ​ |  | 19,042 | ​ |  | 17,638
Finished goods: | ​ |  |  | ​ |  |
Security Products | ​ |  | 3,175 | ​ |  | 2,895
Marine Components | ​ |  | 2,757 | ​ |  | 2,181
Total finished goods | ​ |  | 5,932 | ​ |  | 5,076
Total | ​ | $ | 30,712 | ​ | $ | 28,366
​

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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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