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Goodwill and Intangible Assets (Tables) | 9 Months Ended
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Sep. 30, 2023
Goodwill and Intangible Assets |
Schedule of finite lived intangible assets | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Weighted- | ​ | At September 30, 2023
​ | ​ | Average | ​ | Gross | ​ | ​ | ​ | ​
​ | ​ | Amortization | ​ | Carrying | ​ | Accumulated | ​ | Net
(In thousands) |  | Period | ​ | Amount | ​ | Amortization | ​ | Amount
Definite-lived intangible assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Patents | ​ | 12 years | ​ | $ | 990 | ​ | $ | 232 | ​ | $ | 758
Defensive intangible assets | ​ | 1 year | ​ | ​ | 1,125 | ​ | ​ | 883 | ​ | ​ | 242
Customer accounts | ​ | — | ​ | ​ | 125 | ​ | ​ | 125 | ​ | ​ | —
Customer relationships | ​ | 11 years | ​ | ​ | 31,000 | ​ | ​ | 4,915 | ​ | ​ | 26,085
Developed technology | ​ | 9 years | ​ | ​ | 13,000 | ​ | ​ | 2,436 | ​ | ​ | 10,564
Subtotal | ​ | ​ | ​ | ​ | 46,240 | ​ | ​ | 8,591 | ​ | ​ | 37,649
Unamortized intangible assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Tradenames | ​ | ​ | ​ | ​ | 9,500 | ​ | ​ | — | ​ | ​ | 9,500
Patents pending | ​ | ​ | ​ | ​ | 479 | ​ | ​ | — | ​ | ​ | 479
Total intangible assets | ​ | ​ | ​ | $ | 56,219 | ​ | $ | 8,591 | ​ | $ | 47,628
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Weighted- | ​ | At December 31, 2022
​ | ​ | Average | ​ | Gross | ​ | ​ | ​ | ​
​ | ​ | Amortization | ​ | Carrying | ​ | Accumulated | ​ | Net
(In thousands) |  | Period | ​ | Amount | ​ | Amortization | ​ | Amount
Definite-lived intangible assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Patents | ​ | 12 years | ​ | $ | 897 | ​ | $ | 173 | ​ | $ | 724
Defensive intangible assets | ​ | 2 years | ​ | ​ | 1,126 | ​ | ​ | 764 | ​ | ​ | 362
Customer accounts | ​ | < 1 year | ​ |  | 125 | ​ |  | 114 | ​ |  | 11
Customer relationships | ​ | 12 years | ​ | ​ | 31,000 | ​ | ​ | 3,127 | ​ | ​ | 27,873
Developed technology | ​ | 10 years | ​ | ​ | 13,000 | ​ | ​ | 1,550 | ​ | ​ | 11,450
Subtotal | ​ | ​ | ​ | ​ | 46,148 | ​ | ​ | 5,728 | ​ | ​ | 40,420
Unamortized intangible assets: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Tradenames | ​ | ​ | ​ | ​ | 9,500 | ​ | ​ | — | ​ | ​ | 9,500
Patents pending | ​ | ​ | ​ | ​ | 455 | ​ | ​ | — | ​ | ​ | 455
Total intangible assets | ​ | ​ | ​ | $ | 56,103 | ​ | $ | 5,728 | ​ | $ | 50,375
Schedule of future amortization expense | ​
​ | ​ | ​ | ​
(In thousands) | ​ | ​ | ​
2023 (October 1 - December 31) |  | $ | 948
2024 | ​ | ​ | 3,792
2025 | ​ |  | 3,703
2026 | ​ |  | 3,637
2027 | ​ |  | 3,629
Thereafter | ​ |  | 21,940
Total | ​ | $ | 37,649

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